281187530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{4733}}^1$

素因数の和:5210

約数の個数: 32

約数和(自身を含む): 546379344

約数和(自身を除く): 265191814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 457, 914, 2285, 4570, 4733, 5941, 9466, 11882, 23665, 29705, 47330, 59410, 61529, 123058, 307645, 615290, 2162981, 4325962, 10814905, 21629810, 28118753, 56237506, 140593765, 281187530]

約数ペア:

[(1, 281187530), (2, 140593765), (5, 56237506), (10, 28118753), (13, 21629810), (26, 10814905), (65, 4325962), (130, 2162981), (457, 615290), (914, 307645), (2285, 123058), (4570, 61529), (4733, 59410), (5941, 47330), (9466, 29705), (11882, 23665)]