1405809008

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{809}}^1\times {\mathrm{1621}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 2769532560

約数和(自身を除く): 1363723552

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 809, 1072, 1618, 1621, 3236, 3242, 6472, 6484, 12944, 12968, 25936, 54203, 108406, 108607, 216812, 217214, 433624, 434428, 867248, 868856, 1311389, 1737712, 2622778, 5245556, 10491112, 20982224, 87863063, 175726126, 351452252, 702904504, 1405809008]

約数ペア:

[(1, 1405809008), (2, 702904504), (4, 351452252), (8, 175726126), (16, 87863063), (67, 20982224), (134, 10491112), (268, 5245556), (536, 2622778), (809, 1737712), (1072, 1311389), (1618, 868856), (1621, 867248), (3236, 434428), (3242, 433624), (6472, 217214), (6484, 216812), (12944, 108607), (12968, 108406), (25936, 54203)]