820858918

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1427}}^1\times {\mathrm{2377}}^1$

素因数の和:3828

約数の個数: 24

約数和(自身を含む): 1354917816

約数和(自身を除く): 534058898

約数列:

[1, 2, 11, 22, 121, 242, 1427, 2377, 2854, 4754, 15697, 26147, 31394, 52294, 172667, 287617, 345334, 575234, 3391979, 6783958, 37311769, 74623538, 410429459, 820858918]

約数ペア:

[(1, 820858918), (2, 410429459), (11, 74623538), (22, 37311769), (121, 6783958), (242, 3391979), (1427, 575234), (2377, 345334), (2854, 287617), (4754, 172667), (15697, 52294), (26147, 31394)]