128213735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{4919}}^1$

素因数の和:5338

約数の個数: 16

約数和(自身を含む): 166138560

約数和(自身を除く): 37924825

約数列:

[1, 5, 13, 65, 401, 2005, 4919, 5213, 24595, 26065, 63947, 319735, 1972519, 9862595, 25642747, 128213735]

約数ペア:

[(1, 128213735), (5, 25642747), (13, 9862595), (65, 1972519), (401, 319735), (2005, 63947), (4919, 26065), (5213, 24595)]