640679281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1\times {\mathrm{1811}}^1$

素因数の和:2960

約数の個数: 16

約数和(自身を含む): 724075200

約数和(自身を除く): 83395919

約数列:

[1, 11, 29, 319, 1109, 1811, 12199, 19921, 32161, 52519, 353771, 577709, 2008399, 22092389, 58243571, 640679281]

約数ペア:

[(1, 640679281), (11, 58243571), (29, 22092389), (319, 2008399), (1109, 577709), (1811, 353771), (12199, 52519), (19921, 32161)]