2561496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 7449600

約数和(自身を除く): 4888104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 193, 237, 316, 386, 474, 553, 579, 632, 772, 948, 1106, 1158, 1351, 1544, 1659, 1896, 2212, 2316, 2702, 3318, 4053, 4424, 4632, 5404, 6636, 8106, 10808, 13272, 15247, 16212, 30494, 32424, 45741, 60988, 91482, 106729, 121976, 182964, 213458, 320187, 365928, 426916, 640374, 853832, 1280748, 2561496]

約数ペア:

[(1, 2561496), (2, 1280748), (3, 853832), (4, 640374), (6, 426916), (7, 365928), (8, 320187), (12, 213458), (14, 182964), (21, 121976), (24, 106729), (28, 91482), (42, 60988), (56, 45741), (79, 32424), (84, 30494), (158, 16212), (168, 15247), (193, 13272), (237, 10808), (316, 8106), (386, 6636), (474, 5404), (553, 4632), (579, 4424), (632, 4053), (772, 3318), (948, 2702), (1106, 2316), (1158, 2212), (1351, 1896), (1544, 1659)]