71998378

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{4457}}^1$

素因数の和:4697

約数の個数: 16

約数和(自身を含む): 111218184

約数和(自身を除く): 39219806

約数列:

[1, 2, 41, 82, 197, 394, 4457, 8077, 8914, 16154, 182737, 365474, 878029, 1756058, 35999189, 71998378]

約数ペア:

[(1, 71998378), (2, 35999189), (41, 1756058), (82, 878029), (197, 365474), (394, 182737), (4457, 16154), (8077, 8914)]