123780316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{65423}}^1$

素因数の和:65481

約数の個数: 24

約数和(自身を含む): 241807104

約数和(自身を除く): 118026788

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 65423, 130846, 261692, 719653, 1439306, 2813189, 2878612, 5626378, 11252756, 30945079, 61890158, 123780316]

約数ペア:

[(1, 123780316), (2, 61890158), (4, 30945079), (11, 11252756), (22, 5626378), (43, 2878612), (44, 2813189), (86, 1439306), (172, 719653), (473, 261692), (946, 130846), (1892, 65423)]