123963775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 166489344

約数和(自身を除く): 42525569

約数列:

[1, 5, 13, 25, 65, 191, 325, 955, 1997, 2483, 4775, 9985, 12415, 25961, 49925, 62075, 129805, 381427, 649025, 1907135, 4958551, 9535675, 24792755, 123963775]

約数ペア:

[(1, 123963775), (5, 24792755), (13, 9535675), (25, 4958551), (65, 1907135), (191, 649025), (325, 381427), (955, 129805), (1997, 62075), (2483, 49925), (4775, 25961), (9985, 12415)]