156978017

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6079}}^1$

素因数の和:6141

約数の個数: 24

約数和(自身を含む): 199618560

約数和(自身を除く): 42640543

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 833, 1519, 3689, 6079, 25823, 42553, 103343, 188449, 297871, 723401, 1319143, 3203633, 5063807, 9234001, 22425431, 156978017]

約数ペア:

[(1, 156978017), (7, 22425431), (17, 9234001), (31, 5063807), (49, 3203633), (119, 1319143), (217, 723401), (527, 297871), (833, 188449), (1519, 103343), (3689, 42553), (6079, 25823)]