661580516

素因数分解:

$2^2\times {\mathrm{3221}}^1\times {\mathrm{51349}}^1$

素因数の和:54574

約数の個数: 12

約数和(自身を含む): 1158147900

約数和(自身を除く): 496567384

約数列:

[1, 2, 4, 3221, 6442, 12884, 51349, 102698, 205396, 165395129, 330790258, 661580516]

約数ペア:

[(1, 661580516), (2, 330790258), (4, 165395129), (3221, 205396), (6442, 102698), (12884, 51349)]