15421756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 32327680

約数和(自身を除く): 16905924

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 163, 217, 218, 326, 434, 436, 652, 763, 868, 1141, 1526, 2282, 3052, 3379, 4564, 5053, 6758, 10106, 13516, 17767, 20212, 23653, 35371, 35534, 47306, 70742, 71068, 94612, 124369, 141484, 248738, 497476, 550777, 1101554, 2203108, 3855439, 7710878, 15421756]

約数ペア:

[(1, 15421756), (2, 7710878), (4, 3855439), (7, 2203108), (14, 1101554), (28, 550777), (31, 497476), (62, 248738), (109, 141484), (124, 124369), (163, 94612), (217, 71068), (218, 70742), (326, 47306), (434, 35534), (436, 35371), (652, 23653), (763, 20212), (868, 17767), (1141, 13516), (1526, 10106), (2282, 6758), (3052, 5053), (3379, 4564)]