289441490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{130969}}^1$

素因数の和:131006

約数の個数: 32

約数和(自身を含む): 594079920

約数和(自身を除く): 304638430

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 130969, 261938, 654845, 1309690, 1702597, 2226473, 3405194, 4452946, 8512985, 11132365, 17025970, 22264730, 28944149, 57888298, 144720745, 289441490]

約数ペア:

[(1, 289441490), (2, 144720745), (5, 57888298), (10, 28944149), (13, 22264730), (17, 17025970), (26, 11132365), (34, 8512985), (65, 4452946), (85, 3405194), (130, 2226473), (170, 1702597), (221, 1309690), (442, 654845), (1105, 261938), (2210, 130969)]