813456670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{215771}}^1$

素因数の和:215820

約数の個数: 32

約数和(自身を含む): 1631236320

約数和(自身を除く): 817779650

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 215771, 431542, 1078855, 2157710, 2805023, 5610046, 6257359, 12514718, 14025115, 28050230, 31286795, 62573590, 81345667, 162691334, 406728335, 813456670]

約数ペア:

[(1, 813456670), (2, 406728335), (5, 162691334), (10, 81345667), (13, 62573590), (26, 31286795), (29, 28050230), (58, 14025115), (65, 12514718), (130, 6257359), (145, 5610046), (290, 2805023), (377, 2157710), (754, 1078855), (1885, 431542), (3770, 215771)]