919778587

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11243}}^1$

素因数の和:11323

約数の個数: 32

約数和(自身を含む): 1208954880

約数和(自身を除く): 289176293

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 377, 403, 899, 2639, 2821, 6293, 11243, 11687, 78701, 81809, 146159, 326047, 348533, 1023113, 2282329, 2439731, 4238611, 4530929, 10107457, 29670277, 31716503, 70752199, 131396941, 919778587]

約数ペア:

[(1, 919778587), (7, 131396941), (13, 70752199), (29, 31716503), (31, 29670277), (91, 10107457), (203, 4530929), (217, 4238611), (377, 2439731), (403, 2282329), (899, 1023113), (2639, 348533), (2821, 326047), (6293, 146159), (11243, 81809), (11687, 78701)]