155993887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 196992000

約数和(自身を除く): 40998113

約数列:

[1, 7, 17, 37, 71, 119, 259, 497, 499, 629, 1207, 2627, 3493, 4403, 8449, 8483, 18389, 18463, 35429, 44659, 59381, 129241, 248003, 312613, 313871, 602293, 1310873, 2197097, 4216051, 9176111, 22284841, 155993887]

約数ペア:

[(1, 155993887), (7, 22284841), (17, 9176111), (37, 4216051), (71, 2197097), (119, 1310873), (259, 602293), (497, 313871), (499, 312613), (629, 248003), (1207, 129241), (2627, 59381), (3493, 44659), (4403, 35429), (8449, 18463), (8483, 18389)]