2019979871

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{102293}}^1$

素因数の和:102351

約数の個数: 24

約数和(自身を含む): 2612179584

約数和(自身を除く): 592199713

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1519, 2821, 19747, 102293, 716051, 1329809, 3171083, 5012357, 9308663, 22197581, 41224079, 65160641, 155383067, 288568553, 2019979871]

約数ペア:

[(1, 2019979871), (7, 288568553), (13, 155383067), (31, 65160641), (49, 41224079), (91, 22197581), (217, 9308663), (403, 5012357), (637, 3171083), (1519, 1329809), (2821, 716051), (19747, 102293)]