311991472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{2879}}^1$

素因数の和:3421

約数の個数: 40

約数和(自身を含む): 652458240

約数和(自身を除く): 340466768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 521, 1042, 2084, 2879, 4168, 5758, 6773, 8336, 11516, 13546, 23032, 27092, 37427, 46064, 54184, 74854, 108368, 149708, 299416, 598832, 1499959, 2999918, 5999836, 11999672, 19499467, 23999344, 38998934, 77997868, 155995736, 311991472]

約数ペア:

[(1, 311991472), (2, 155995736), (4, 77997868), (8, 38998934), (13, 23999344), (16, 19499467), (26, 11999672), (52, 5999836), (104, 2999918), (208, 1499959), (521, 598832), (1042, 299416), (2084, 149708), (2879, 108368), (4168, 74854), (5758, 54184), (6773, 46064), (8336, 37427), (11516, 27092), (13546, 23032)]