64638906

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 74707014

約数列:

[1, 2, 3, 6, 31, 53, 62, 79, 83, 93, 106, 158, 159, 166, 186, 237, 249, 318, 474, 498, 1643, 2449, 2573, 3286, 4187, 4399, 4898, 4929, 5146, 6557, 7347, 7719, 8374, 8798, 9858, 12561, 13114, 13197, 14694, 15438, 19671, 25122, 26394, 39342, 129797, 136369, 203267, 259594, 272738, 347521, 389391, 406534, 409107, 609801, 695042, 778782, 818214, 1042563, 1219602, 2085126, 10773151, 21546302, 32319453, 64638906]

約数ペア:

[(1, 64638906), (2, 32319453), (3, 21546302), (6, 10773151), (31, 2085126), (53, 1219602), (62, 1042563), (79, 818214), (83, 778782), (93, 695042), (106, 609801), (158, 409107), (159, 406534), (166, 389391), (186, 347521), (237, 272738), (249, 259594), (318, 203267), (474, 136369), (498, 129797), (1643, 39342), (2449, 26394), (2573, 25122), (3286, 19671), (4187, 15438), (4399, 14694), (4898, 13197), (4929, 13114), (5146, 12561), (6557, 9858), (7347, 8798), (7719, 8374)]