259967735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 338038272

約数和(自身を除く): 78070537

約数列:

[1, 5, 23, 37, 107, 115, 185, 535, 571, 851, 2461, 2855, 3959, 4255, 12305, 13133, 19795, 21127, 61097, 65665, 91057, 105635, 305485, 455285, 485921, 1405231, 2260589, 2429605, 7026155, 11302945, 51993547, 259967735]

約数ペア:

[(1, 259967735), (5, 51993547), (23, 11302945), (37, 7026155), (107, 2429605), (115, 2260589), (185, 1405231), (535, 485921), (571, 455285), (851, 305485), (2461, 105635), (2855, 91057), (3959, 65665), (4255, 61097), (12305, 21127), (13133, 19795)]