81538330

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 150258240

約数和(自身を除く): 68719910

約数列:

[1, 2, 5, 10, 67, 131, 134, 262, 335, 655, 670, 929, 1310, 1858, 4645, 8777, 9290, 17554, 43885, 62243, 87770, 121699, 124486, 243398, 311215, 608495, 622430, 1216990, 8153833, 16307666, 40769165, 81538330]

約数ペア:

[(1, 81538330), (2, 40769165), (5, 16307666), (10, 8153833), (67, 1216990), (131, 622430), (134, 608495), (262, 311215), (335, 243398), (655, 124486), (670, 121699), (929, 87770), (1310, 62243), (1858, 43885), (4645, 17554), (8777, 9290)]