209612912

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{165833}}^1$

素因数の和:165920

約数の個数: 20

約数和(自身を含む): 411268320

約数和(自身を除く): 201655408

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 165833, 331666, 663332, 1326664, 2653328, 13100807, 26201614, 52403228, 104806456, 209612912]

約数ペア:

[(1, 209612912), (2, 104806456), (4, 52403228), (8, 26201614), (16, 13100807), (79, 2653328), (158, 1326664), (316, 663332), (632, 331666), (1264, 165833)]