28915302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 37612698

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 109, 114, 179, 218, 247, 327, 358, 494, 537, 654, 741, 1074, 1417, 1482, 2071, 2327, 2834, 3401, 4142, 4251, 4654, 6213, 6802, 6981, 8502, 10203, 12426, 13962, 19511, 20406, 26923, 39022, 44213, 53846, 58533, 80769, 88426, 117066, 132639, 161538, 253643, 265278, 370709, 507286, 741418, 760929, 1112127, 1521858, 2224254, 4819217, 9638434, 14457651, 28915302]

約数ペア:

[(1, 28915302), (2, 14457651), (3, 9638434), (6, 4819217), (13, 2224254), (19, 1521858), (26, 1112127), (38, 760929), (39, 741418), (57, 507286), (78, 370709), (109, 265278), (114, 253643), (179, 161538), (218, 132639), (247, 117066), (327, 88426), (358, 80769), (494, 58533), (537, 53846), (654, 44213), (741, 39022), (1074, 26923), (1417, 20406), (1482, 19511), (2071, 13962), (2327, 12426), (2834, 10203), (3401, 8502), (4142, 6981), (4251, 6802), (4654, 6213)]