91217225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 123846240

約数和(自身を除く): 32629015

約数列:

[1, 5, 11, 25, 55, 275, 409, 811, 2045, 4055, 4499, 8921, 10225, 20275, 22495, 44605, 112475, 223025, 331699, 1658495, 3648689, 8292475, 18243445, 91217225]

約数ペア:

[(1, 91217225), (5, 18243445), (11, 8292475), (25, 3648689), (55, 1658495), (275, 331699), (409, 223025), (811, 112475), (2045, 44605), (4055, 22495), (4499, 20275), (8921, 10225)]