16317925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 23748480

約数和(自身を除く): 7430555

約数列:

[1, 5, 13, 23, 25, 37, 59, 65, 115, 185, 295, 299, 325, 481, 575, 767, 851, 925, 1357, 1475, 1495, 2183, 2405, 3835, 4255, 6785, 7475, 10915, 11063, 12025, 17641, 19175, 21275, 28379, 33925, 50209, 54575, 55315, 88205, 141895, 251045, 276575, 441025, 652717, 709475, 1255225, 3263585, 16317925]

約数ペア:

[(1, 16317925), (5, 3263585), (13, 1255225), (23, 709475), (25, 652717), (37, 441025), (59, 276575), (65, 251045), (115, 141895), (185, 88205), (295, 55315), (299, 54575), (325, 50209), (481, 33925), (575, 28379), (767, 21275), (851, 19175), (925, 17641), (1357, 12025), (1475, 11063), (1495, 10915), (2183, 7475), (2405, 6785), (3835, 4255)]