8646625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 12343968

約数和(自身を除く): 3697343

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 313, 325, 425, 1105, 1565, 1625, 2125, 4069, 5321, 5525, 7825, 20345, 26605, 27625, 39125, 69173, 101725, 133025, 345865, 508625, 665125, 1729325, 8646625]

約数ペア:

[(1, 8646625), (5, 1729325), (13, 665125), (17, 508625), (25, 345865), (65, 133025), (85, 101725), (125, 69173), (221, 39125), (313, 27625), (325, 26605), (425, 20345), (1105, 7825), (1565, 5525), (1625, 5321), (2125, 4069)]