2781010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8971}}^1$

素因数の和:9009

約数の個数: 16

約数和(自身を含む): 5167872

約数和(自身を除く): 2386862

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 8971, 17942, 44855, 89710, 278101, 556202, 1390505, 2781010]

約数ペア:

[(1, 2781010), (2, 1390505), (5, 556202), (10, 278101), (31, 89710), (62, 44855), (155, 17942), (310, 8971)]