90499981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 111484800

約数和(自身を除く): 20984819

約数列:

[1, 11, 13, 29, 139, 143, 157, 319, 377, 1529, 1727, 1807, 2041, 4031, 4147, 4553, 19877, 21823, 22451, 44341, 50083, 52403, 59189, 240053, 283699, 576433, 632867, 651079, 3120689, 6961537, 8227271, 90499981]

約数ペア:

[(1, 90499981), (11, 8227271), (13, 6961537), (29, 3120689), (139, 651079), (143, 632867), (157, 576433), (319, 283699), (377, 240053), (1529, 59189), (1727, 52403), (1807, 50083), (2041, 44341), (4031, 22451), (4147, 21823), (4553, 19877)]