287732068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{42239}}^1$

素因数の和:42387

約数の個数: 24

約数和(自身を含む): 546416640

約数和(自身を除く): 258684572

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3406, 6812, 42239, 84478, 168956, 549107, 1098214, 2196428, 5533309, 11066618, 22133236, 71933017, 143866034, 287732068]

約数ペア:

[(1, 287732068), (2, 143866034), (4, 71933017), (13, 22133236), (26, 11066618), (52, 5533309), (131, 2196428), (262, 1098214), (524, 549107), (1703, 168956), (3406, 84478), (6812, 42239)]