86581328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{284807}}^1$

素因数の和:284834

約数の個数: 20

約数和(自身を含む): 176580960

約数和(自身を除く): 89999632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 284807, 569614, 1139228, 2278456, 4556912, 5411333, 10822666, 21645332, 43290664, 86581328]

約数ペア:

[(1, 86581328), (2, 43290664), (4, 21645332), (8, 10822666), (16, 5411333), (19, 4556912), (38, 2278456), (76, 1139228), (152, 569614), (304, 284807)]