287788491380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136973}}^1\times {\mathrm{8081}}^1$

素因数の和:145076

約数の個数: 48

約数和(自身を含む): 650930034384

約数和(自身を除く): 363141543004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8081, 16162, 32324, 40405, 80810, 105053, 136973, 161620, 210106, 273946, 420212, 525265, 547892, 684865, 1050530, 1369730, 1780649, 2101060, 2739460, 3561298, 7122596, 8903245, 17806490, 35612980, 1106878813, 2213757626, 4427515252, 5534394065, 11068788130, 14389424569, 22137576260, 28778849138, 57557698276, 71947122845, 143894245690, 287788491380]

約数ペア:

[(1, 287788491380), (2, 143894245690), (4, 71947122845), (5, 57557698276), (10, 28778849138), (13, 22137576260), (20, 14389424569), (26, 11068788130), (52, 5534394065), (65, 4427515252), (130, 2213757626), (260, 1106878813), (8081, 35612980), (16162, 17806490), (32324, 8903245), (40405, 7122596), (80810, 3561298), (105053, 2739460), (136973, 2101060), (161620, 1780649), (210106, 1369730), (273946, 1050530), (420212, 684865), (525265, 547892)]