316721665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1667}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 425940480

約数和(自身を除く): 109218815

約数列:

[1, 5, 13, 37, 65, 79, 185, 395, 481, 1027, 1667, 2405, 2923, 5135, 8335, 14615, 21671, 37999, 61679, 108355, 131693, 189995, 308395, 658465, 801827, 1712009, 4009135, 4872641, 8560045, 24363205, 63344333, 316721665]

約数ペア:

[(1, 316721665), (5, 63344333), (13, 24363205), (37, 8560045), (65, 4872641), (79, 4009135), (185, 1712009), (395, 801827), (481, 658465), (1027, 308395), (1667, 189995), (2405, 131693), (2923, 108355), (5135, 61679), (8335, 37999), (14615, 21671)]