3970525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 5589920

約数和(自身を除く): 1619395

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 643, 1235, 3215, 6175, 8359, 12217, 16075, 41795, 61085, 158821, 208975, 305425, 794105, 3970525]

約数ペア:

[(1, 3970525), (5, 794105), (13, 305425), (19, 208975), (25, 158821), (65, 61085), (95, 41795), (247, 16075), (325, 12217), (475, 8359), (643, 6175), (1235, 3215)]