639737406

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 1820206080

約数和(自身を除く): 1180468674

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 71, 77, 99, 121, 126, 142, 154, 189, 197, 198, 213, 231, 242, 297, 363, 378, 394, 426, 462, 497, 591, 594, 639, 693, 726, 781, 847, 994, 1089, 1182, 1278, 1379, 1386, 1491, 1562, 1694, 1773, 1917, 2079, 2167, 2178, 2343, 2541, 2758, 2982, 3267, 3546, 3834, 4137, 4158, 4334, 4473, 4686, 5082, 5319, 5467, 6501, 6534, 7029, 7623, 8274, 8591, 8946, 10638, 10934, 12411, 13002, 13419, 13987, 14058, 15169, 15246, 16401, 17182, 19503, 21087, 22869, 23837, 24822, 25773, 26838, 27974, 30338, 32802, 37233, 39006, 41961, 42174, 45507, 45738, 47674, 49203, 51546, 58509, 60137, 71511, 74466, 77319, 83922, 91014, 97909, 98406, 117018, 120274, 125883, 136521, 143022, 147609, 153857, 154638, 166859, 180411, 195818, 214533, 231957, 251766, 273042, 293727, 295218, 307714, 333718, 360822, 377649, 409563, 429066, 461571, 463914, 500577, 541233, 587454, 643599, 755298, 819126, 881181, 923142, 1001154, 1076999, 1082466, 1287198, 1384713, 1501731, 1623699, 1692427, 1762362, 2153998, 2643543, 2769426, 3003462, 3230997, 3247398, 3384854, 4154139, 4505193, 5077281, 5287086, 6461994, 8308278, 9010386, 9692991, 10154562, 11846989, 15231843, 19385982, 23693978, 29078973, 30463686, 35540967, 45695529, 58157946, 71081934, 91391058, 106622901, 213245802, 319868703, 639737406]

約数ペア:

[(1, 639737406), (2, 319868703), (3, 213245802), (6, 106622901), (7, 91391058), (9, 71081934), (11, 58157946), (14, 45695529), (18, 35540967), (21, 30463686), (22, 29078973), (27, 23693978), (33, 19385982), (42, 15231843), (54, 11846989), (63, 10154562), (66, 9692991), (71, 9010386), (77, 8308278), (99, 6461994), (121, 5287086), (126, 5077281), (142, 4505193), (154, 4154139), (189, 3384854), (197, 3247398), (198, 3230997), (213, 3003462), (231, 2769426), (242, 2643543), (297, 2153998), (363, 1762362), (378, 1692427), (394, 1623699), (426, 1501731), (462, 1384713), (497, 1287198), (591, 1082466), (594, 1076999), (639, 1001154), (693, 923142), (726, 881181), (781, 819126), (847, 755298), (994, 643599), (1089, 587454), (1182, 541233), (1278, 500577), (1379, 463914), (1386, 461571), (1491, 429066), (1562, 409563), (1694, 377649), (1773, 360822), (1917, 333718), (2079, 307714), (2167, 295218), (2178, 293727), (2343, 273042), (2541, 251766), (2758, 231957), (2982, 214533), (3267, 195818), (3546, 180411), (3834, 166859), (4137, 154638), (4158, 153857), (4334, 147609), (4473, 143022), (4686, 136521), (5082, 125883), (5319, 120274), (5467, 117018), (6501, 98406), (6534, 97909), (7029, 91014), (7623, 83922), (8274, 77319), (8591, 74466), (8946, 71511), (10638, 60137), (10934, 58509), (12411, 51546), (13002, 49203), (13419, 47674), (13987, 45738), (14058, 45507), (15169, 42174), (15246, 41961), (16401, 39006), (17182, 37233), (19503, 32802), (21087, 30338), (22869, 27974), (23837, 26838), (24822, 25773)]