278314530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{713627}}^1$

素因数の和:713650

約数の個数: 32

約数和(自身を含む): 719337024

約数和(自身を除く): 441022494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 713627, 1427254, 2140881, 3568135, 4281762, 7136270, 9277151, 10704405, 18554302, 21408810, 27831453, 46385755, 55662906, 92771510, 139157265, 278314530]

約数ペア:

[(1, 278314530), (2, 139157265), (3, 92771510), (5, 55662906), (6, 46385755), (10, 27831453), (13, 21408810), (15, 18554302), (26, 10704405), (30, 9277151), (39, 7136270), (65, 4281762), (78, 3568135), (130, 2140881), (195, 1427254), (390, 713627)]