1288897974

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8461}}^1$

素因数の和:8523

約数の個数: 128

約数和(自身を含む): 3639336960

約数和(自身を除く): 2350438986

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 54, 62, 63, 78, 91, 93, 117, 126, 182, 186, 189, 217, 234, 273, 279, 351, 378, 403, 434, 546, 558, 651, 702, 806, 819, 837, 1209, 1302, 1638, 1674, 1953, 2418, 2457, 2821, 3627, 3906, 4914, 5642, 5859, 7254, 8461, 8463, 10881, 11718, 16922, 16926, 21762, 25383, 25389, 50766, 50778, 59227, 76149, 76167, 109993, 118454, 152298, 152334, 177681, 219986, 228447, 262291, 329979, 355362, 456894, 524582, 533043, 659958, 769951, 786873, 989937, 1066086, 1539902, 1573746, 1599129, 1836037, 1979874, 2309853, 2360619, 2969811, 3198258, 3409783, 3672074, 4619706, 4721238, 5508111, 5939622, 6819566, 6929559, 7081857, 10229349, 11016222, 13859118, 14163714, 16524333, 20458698, 20788677, 23868481, 30688047, 33048666, 41577354, 47736962, 49572999, 61376094, 71605443, 92064141, 99145998, 143210886, 184128282, 214816329, 429632658, 644448987, 1288897974]

約数ペア:

[(1, 1288897974), (2, 644448987), (3, 429632658), (6, 214816329), (7, 184128282), (9, 143210886), (13, 99145998), (14, 92064141), (18, 71605443), (21, 61376094), (26, 49572999), (27, 47736962), (31, 41577354), (39, 33048666), (42, 30688047), (54, 23868481), (62, 20788677), (63, 20458698), (78, 16524333), (91, 14163714), (93, 13859118), (117, 11016222), (126, 10229349), (182, 7081857), (186, 6929559), (189, 6819566), (217, 5939622), (234, 5508111), (273, 4721238), (279, 4619706), (351, 3672074), (378, 3409783), (403, 3198258), (434, 2969811), (546, 2360619), (558, 2309853), (651, 1979874), (702, 1836037), (806, 1599129), (819, 1573746), (837, 1539902), (1209, 1066086), (1302, 989937), (1638, 786873), (1674, 769951), (1953, 659958), (2418, 533043), (2457, 524582), (2821, 456894), (3627, 355362), (3906, 329979), (4914, 262291), (5642, 228447), (5859, 219986), (7254, 177681), (8461, 152334), (8463, 152298), (10881, 118454), (11718, 109993), (16922, 76167), (16926, 76149), (21762, 59227), (25383, 50778), (25389, 50766)]