64317565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2741}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 87754968

約数和(自身を除く): 23437403

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 1235, 1805, 2741, 4693, 13705, 23465, 35633, 52079, 178165, 260395, 677027, 989501, 3385135, 4947505, 12863513, 64317565]

約数ペア:

[(1, 64317565), (5, 12863513), (13, 4947505), (19, 3385135), (65, 989501), (95, 677027), (247, 260395), (361, 178165), (1235, 52079), (1805, 35633), (2741, 23465), (4693, 13705)]