639868488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{6173}}^1$

素因数の和:6806

約数の個数: 64

約数和(自身を含む): 1831455360

約数和(自身を除く): 1191586872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 617, 1234, 1851, 2468, 3702, 4319, 4936, 6173, 7404, 8638, 12346, 12957, 14808, 17276, 18519, 24692, 25914, 34552, 37038, 43211, 49384, 51828, 74076, 86422, 103656, 129633, 148152, 172844, 259266, 345688, 518532, 1037064, 3808741, 7617482, 11426223, 15234964, 22852446, 26661187, 30469928, 45704892, 53322374, 79983561, 91409784, 106644748, 159967122, 213289496, 319934244, 639868488]

約数ペア:

[(1, 639868488), (2, 319934244), (3, 213289496), (4, 159967122), (6, 106644748), (7, 91409784), (8, 79983561), (12, 53322374), (14, 45704892), (21, 30469928), (24, 26661187), (28, 22852446), (42, 15234964), (56, 11426223), (84, 7617482), (168, 3808741), (617, 1037064), (1234, 518532), (1851, 345688), (2468, 259266), (3702, 172844), (4319, 148152), (4936, 129633), (6173, 103656), (7404, 86422), (8638, 74076), (12346, 51828), (12957, 49384), (14808, 43211), (17276, 37038), (18519, 34552), (24692, 25914)]