261544530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{670627}}^1$

素因数の和:670650

約数の個数: 32

約数和(自身を含む): 675993024

約数和(自身を除く): 414448494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 670627, 1341254, 2011881, 3353135, 4023762, 6706270, 8718151, 10059405, 17436302, 20118810, 26154453, 43590755, 52308906, 87181510, 130772265, 261544530]

約数ペア:

[(1, 261544530), (2, 130772265), (3, 87181510), (5, 52308906), (6, 43590755), (10, 26154453), (13, 20118810), (15, 17436302), (26, 10059405), (30, 8718151), (39, 6706270), (65, 4023762), (78, 3353135), (130, 2011881), (195, 1341254), (390, 670627)]