1639267925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{52837}}^1$

素因数の和:52937

約数の個数: 24

約数和(自身を含む): 2181786696

約数和(自身を除く): 542518771

約数列:

[1, 5, 17, 25, 73, 85, 365, 425, 1241, 1825, 6205, 31025, 52837, 264185, 898229, 1320925, 3857101, 4491145, 19285505, 22455725, 65570717, 96427525, 327853585, 1639267925]

約数ペア:

[(1, 1639267925), (5, 327853585), (17, 96427525), (25, 65570717), (73, 22455725), (85, 19285505), (365, 4491145), (425, 3857101), (1241, 1320925), (1825, 898229), (6205, 264185), (31025, 52837)]