408068974736

素因数分解:

$2^4\times {\mathrm{1301}}^1\times {\mathrm{19603621}}^1$

素因数の和:19604930

約数の個数: 20

約数和(自身を含む): 791241391164

約数和(自身を除く): 383172416428

約数列:

[1, 2, 4, 8, 16, 1301, 2602, 5204, 10408, 20816, 19603621, 39207242, 78414484, 156828968, 313657936, 25504310921, 51008621842, 102017243684, 204034487368, 408068974736]

約数ペア:

[(1, 408068974736), (2, 204034487368), (4, 102017243684), (8, 51008621842), (16, 25504310921), (1301, 313657936), (2602, 156828968), (5204, 78414484), (10408, 39207242), (20816, 19603621)]