51931165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 76104576

約数和(自身を除く): 24173411

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 151, 169, 185, 407, 481, 715, 755, 845, 1661, 1859, 1963, 2035, 2405, 5291, 5587, 6253, 8305, 9295, 9815, 21593, 25519, 26455, 27935, 31265, 61457, 68783, 72631, 107965, 127595, 280709, 307285, 343915, 363155, 798941, 944203, 1403545, 3994705, 4721015, 10386233, 51931165]

約数ペア:

[(1, 51931165), (5, 10386233), (11, 4721015), (13, 3994705), (37, 1403545), (55, 944203), (65, 798941), (143, 363155), (151, 343915), (169, 307285), (185, 280709), (407, 127595), (481, 107965), (715, 72631), (755, 68783), (845, 61457), (1661, 31265), (1859, 27935), (1963, 26455), (2035, 25519), (2405, 21593), (5291, 9815), (5587, 9295), (6253, 8305)]