28250838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 82162080

約数和(自身を除く): 53911242

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 77, 99, 102, 109, 119, 121, 126, 153, 154, 187, 198, 218, 231, 238, 242, 306, 327, 357, 363, 374, 462, 561, 654, 693, 714, 726, 763, 847, 981, 1071, 1089, 1122, 1199, 1309, 1386, 1526, 1683, 1694, 1853, 1962, 2057, 2142, 2178, 2289, 2398, 2541, 2618, 3366, 3597, 3706, 3927, 4114, 4578, 5082, 5559, 6171, 6867, 7194, 7623, 7854, 8393, 10791, 11118, 11781, 12342, 12971, 13189, 13734, 14399, 15246, 16677, 16786, 18513, 20383, 21582, 23562, 25179, 25942, 26378, 28798, 33354, 37026, 38913, 39567, 40766, 43197, 50358, 61149, 75537, 77826, 79134, 86394, 92323, 116739, 118701, 122298, 129591, 142681, 151074, 183447, 184646, 224213, 233478, 237402, 259182, 276969, 285362, 366894, 428043, 448426, 553938, 672639, 830907, 856086, 1284129, 1345278, 1569491, 1661814, 2017917, 2568258, 3138982, 4035834, 4708473, 9416946, 14125419, 28250838]

約数ペア:

[(1, 28250838), (2, 14125419), (3, 9416946), (6, 4708473), (7, 4035834), (9, 3138982), (11, 2568258), (14, 2017917), (17, 1661814), (18, 1569491), (21, 1345278), (22, 1284129), (33, 856086), (34, 830907), (42, 672639), (51, 553938), (63, 448426), (66, 428043), (77, 366894), (99, 285362), (102, 276969), (109, 259182), (119, 237402), (121, 233478), (126, 224213), (153, 184646), (154, 183447), (187, 151074), (198, 142681), (218, 129591), (231, 122298), (238, 118701), (242, 116739), (306, 92323), (327, 86394), (357, 79134), (363, 77826), (374, 75537), (462, 61149), (561, 50358), (654, 43197), (693, 40766), (714, 39567), (726, 38913), (763, 37026), (847, 33354), (981, 28798), (1071, 26378), (1089, 25942), (1122, 25179), (1199, 23562), (1309, 21582), (1386, 20383), (1526, 18513), (1683, 16786), (1694, 16677), (1853, 15246), (1962, 14399), (2057, 13734), (2142, 13189), (2178, 12971), (2289, 12342), (2398, 11781), (2541, 11118), (2618, 10791), (3366, 8393), (3597, 7854), (3706, 7623), (3927, 7194), (4114, 6867), (4578, 6171), (5082, 5559)]