78923218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{3229}}^1$

素因数の和:3354

約数の個数: 24

約数和(自身を含む): 131454540

約数和(自身を除く): 52531322

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 3229, 6458, 12221, 24442, 35519, 71038, 326129, 390709, 652258, 781418, 3587419, 7174838, 39461609, 78923218]

約数ペア:

[(1, 78923218), (2, 39461609), (11, 7174838), (22, 3587419), (101, 781418), (121, 652258), (202, 390709), (242, 326129), (1111, 71038), (2222, 35519), (3229, 24442), (6458, 12221)]