8131578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 20466432

約数和(自身を除く): 12334854

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 281, 318, 371, 546, 562, 689, 742, 843, 1113, 1378, 1686, 1967, 2067, 2226, 3653, 3934, 4134, 4823, 5901, 7306, 9646, 10959, 11802, 14469, 14893, 21918, 25571, 28938, 29786, 44679, 51142, 76713, 89358, 104251, 153426, 193609, 208502, 312753, 387218, 580827, 625506, 1161654, 1355263, 2710526, 4065789, 8131578]

約数ペア:

[(1, 8131578), (2, 4065789), (3, 2710526), (6, 1355263), (7, 1161654), (13, 625506), (14, 580827), (21, 387218), (26, 312753), (39, 208502), (42, 193609), (53, 153426), (78, 104251), (91, 89358), (106, 76713), (159, 51142), (182, 44679), (273, 29786), (281, 28938), (318, 25571), (371, 21918), (546, 14893), (562, 14469), (689, 11802), (742, 10959), (843, 9646), (1113, 7306), (1378, 5901), (1686, 4823), (1967, 4134), (2067, 3934), (2226, 3653)]