207750530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51551}}^1$

素因数の和:51602

約数の個数: 32

約数和(自身を含む): 415715328

約数和(自身を除く): 207964798

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51551, 103102, 257755, 515510, 670163, 1340326, 1598081, 3196162, 3350815, 6701630, 7990405, 15980810, 20775053, 41550106, 103875265, 207750530]

約数ペア:

[(1, 207750530), (2, 103875265), (5, 41550106), (10, 20775053), (13, 15980810), (26, 7990405), (31, 6701630), (62, 3350815), (65, 3196162), (130, 1598081), (155, 1340326), (310, 670163), (403, 515510), (806, 257755), (2015, 103102), (4030, 51551)]