87907878

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 197698176

約数和(自身を除く): 109790298

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 257, 279, 514, 558, 613, 771, 1226, 1542, 1839, 2313, 3678, 4626, 5517, 7967, 11034, 15934, 19003, 23901, 38006, 47802, 57009, 71703, 114018, 143406, 157541, 171027, 315082, 342054, 472623, 945246, 1417869, 2835738, 4883771, 9767542, 14651313, 29302626, 43953939, 87907878]

約数ペア:

[(1, 87907878), (2, 43953939), (3, 29302626), (6, 14651313), (9, 9767542), (18, 4883771), (31, 2835738), (62, 1417869), (93, 945246), (186, 472623), (257, 342054), (279, 315082), (514, 171027), (558, 157541), (613, 143406), (771, 114018), (1226, 71703), (1542, 57009), (1839, 47802), (2313, 38006), (3678, 23901), (4626, 19003), (5517, 15934), (7967, 11034)]