28356786

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 63063000

約数和(自身を除く): 34706214

約数列:

[1, 2, 3, 6, 9, 18, 97, 109, 149, 194, 218, 291, 298, 327, 447, 582, 654, 873, 894, 981, 1341, 1746, 1962, 2682, 10573, 14453, 16241, 21146, 28906, 31719, 32482, 43359, 48723, 63438, 86718, 95157, 97446, 130077, 146169, 190314, 260154, 292338, 1575377, 3150754, 4726131, 9452262, 14178393, 28356786]

約数ペア:

[(1, 28356786), (2, 14178393), (3, 9452262), (6, 4726131), (9, 3150754), (18, 1575377), (97, 292338), (109, 260154), (149, 190314), (194, 146169), (218, 130077), (291, 97446), (298, 95157), (327, 86718), (447, 63438), (582, 48723), (654, 43359), (873, 32482), (894, 31719), (981, 28906), (1341, 21146), (1746, 16241), (1962, 14453), (2682, 10573)]