1258864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 2656080

約数和(自身を除く): 1397216

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 101, 152, 164, 202, 304, 328, 404, 656, 779, 808, 1558, 1616, 1919, 3116, 3838, 4141, 6232, 7676, 8282, 12464, 15352, 16564, 30704, 33128, 66256, 78679, 157358, 314716, 629432, 1258864]

約数ペア:

[(1, 1258864), (2, 629432), (4, 314716), (8, 157358), (16, 78679), (19, 66256), (38, 33128), (41, 30704), (76, 16564), (82, 15352), (101, 12464), (152, 8282), (164, 7676), (202, 6232), (304, 4141), (328, 3838), (404, 3116), (656, 1919), (779, 1616), (808, 1558)]