172392805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 234267264

約数和(自身を除く): 61874459

約数列:

[1, 5, 13, 37, 43, 65, 185, 215, 481, 559, 1591, 1667, 2405, 2795, 7955, 8335, 20683, 21671, 61679, 71681, 103415, 108355, 308395, 358405, 801827, 931853, 2652197, 4009135, 4659265, 13260985, 34478561, 172392805]

約数ペア:

[(1, 172392805), (5, 34478561), (13, 13260985), (37, 4659265), (43, 4009135), (65, 2652197), (185, 931853), (215, 801827), (481, 358405), (559, 308395), (1591, 108355), (1667, 103415), (2405, 71681), (2795, 61679), (7955, 21671), (8335, 20683)]