497142778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{5281}}^1$

素因数の和:5694

約数の個数: 24

約数和(自身を含む): 821932020

約数和(自身を除く): 324789242

約数列:

[1, 2, 11, 22, 121, 242, 389, 778, 4279, 5281, 8558, 10562, 47069, 58091, 94138, 116182, 639001, 1278002, 2054309, 4108618, 22597399, 45194798, 248571389, 497142778]

約数ペア:

[(1, 497142778), (2, 248571389), (11, 45194798), (22, 22597399), (121, 4108618), (242, 2054309), (389, 1278002), (778, 639001), (4279, 116182), (5281, 94138), (8558, 58091), (10562, 47069)]