4911125

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 16

約数和(自身を含む): 6205680

約数和(自身を除く): 1294555

約数列:

[1, 5, 25, 101, 125, 389, 505, 1945, 2525, 9725, 12625, 39289, 48625, 196445, 982225, 4911125]

約数ペア:

[(1, 4911125), (5, 982225), (25, 196445), (101, 48625), (125, 39289), (389, 12625), (505, 9725), (1945, 2525)]