389660570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{176317}}^1$

素因数の和:176354

約数の個数: 32

約数和(自身を含む): 799778448

約数和(自身を除く): 410117878

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 176317, 352634, 881585, 1763170, 2292121, 2997389, 4584242, 5994778, 11460605, 14986945, 22921210, 29973890, 38966057, 77932114, 194830285, 389660570]

約数ペア:

[(1, 389660570), (2, 194830285), (5, 77932114), (10, 38966057), (13, 29973890), (17, 22921210), (26, 14986945), (34, 11460605), (65, 5994778), (85, 4584242), (130, 2997389), (170, 2292121), (221, 1763170), (442, 881585), (1105, 352634), (2210, 176317)]