71289284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20509}}^1$

素因数の和:20603

約数の個数: 24

約数和(自身を含む): 137827200

約数和(自身を除く): 66537916

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 20509, 41018, 82036, 225599, 451198, 902396, 1620211, 3240422, 6480844, 17822321, 35644642, 71289284]

約数ペア:

[(1, 71289284), (2, 35644642), (4, 17822321), (11, 6480844), (22, 3240422), (44, 1620211), (79, 902396), (158, 451198), (316, 225599), (869, 82036), (1738, 41018), (3476, 20509)]