258307390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{14957}}^1$

素因数の和:15132

約数の個数: 32

約数和(自身を含む): 510486624

約数和(自身を除く): 252179234

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1570, 1727, 3454, 8635, 14957, 17270, 29914, 74785, 149570, 164527, 329054, 822635, 1645270, 2348249, 4696498, 11741245, 23482490, 25830739, 51661478, 129153695, 258307390]

約数ペア:

[(1, 258307390), (2, 129153695), (5, 51661478), (10, 25830739), (11, 23482490), (22, 11741245), (55, 4696498), (110, 2348249), (157, 1645270), (314, 822635), (785, 329054), (1570, 164527), (1727, 149570), (3454, 74785), (8635, 29914), (14957, 17270)]