9984325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 13776896

約数和(自身を除く): 3792571

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 991, 2015, 4955, 10075, 12883, 24775, 30721, 64415, 153605, 322075, 399373, 768025, 1996865, 9984325]

約数ペア:

[(1, 9984325), (5, 1996865), (13, 768025), (25, 399373), (31, 322075), (65, 153605), (155, 64415), (325, 30721), (403, 24775), (775, 12883), (991, 10075), (2015, 4955)]