215611198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{22739}}^1$

素因数の和:23183

約数の個数: 16

約数和(自身を含む): 353652480

約数和(自身を除く): 138041282

約数列:

[1, 2, 11, 22, 431, 862, 4741, 9482, 22739, 45478, 250129, 500258, 9800509, 19601018, 107805599, 215611198]

約数ペア:

[(1, 215611198), (2, 107805599), (11, 19601018), (22, 9800509), (431, 500258), (862, 250129), (4741, 45478), (9482, 22739)]