398412064

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{655283}}^1$

素因数の和:655312

約数の個数: 24

約数和(自身を含む): 825657840

約数和(自身を除く): 427245776

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 655283, 1310566, 2621132, 5242264, 10484528, 12450377, 20969056, 24900754, 49801508, 99603016, 199206032, 398412064]

約数ペア:

[(1, 398412064), (2, 199206032), (4, 99603016), (8, 49801508), (16, 24900754), (19, 20969056), (32, 12450377), (38, 10484528), (76, 5242264), (152, 2621132), (304, 1310566), (608, 655283)]