215538010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{353341}}^1$

素因数の和:353409

約数の個数: 16

約数和(自身を含む): 394329672

約数和(自身を除く): 178791662

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 353341, 706682, 1766705, 3533410, 21553801, 43107602, 107769005, 215538010]

約数ペア:

[(1, 215538010), (2, 107769005), (5, 43107602), (10, 21553801), (61, 3533410), (122, 1766705), (305, 706682), (610, 353341)]