643655044

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:516

約数の個数: 36

約数和(自身を含む): 1155762972

約数和(自身を除く): 512107928

約数列:

[1, 2, 4, 71, 137, 142, 233, 274, 284, 466, 548, 932, 5041, 9727, 10082, 16543, 19454, 20164, 31921, 33086, 38908, 63842, 66172, 127684, 690617, 1174553, 1381234, 2266391, 2349106, 2762468, 4532782, 4698212, 9065564, 160913761, 321827522, 643655044]

約数ペア:

[(1, 643655044), (2, 321827522), (4, 160913761), (71, 9065564), (137, 4698212), (142, 4532782), (233, 2762468), (274, 2349106), (284, 2266391), (466, 1381234), (548, 1174553), (932, 690617), (5041, 127684), (9727, 66172), (10082, 63842), (16543, 38908), (19454, 33086), (20164, 31921)]