66995290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{449}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 124027200

約数和(自身を除く): 57031910

約数列:

[1, 2, 5, 10, 43, 86, 215, 347, 430, 449, 694, 898, 1735, 2245, 3470, 4490, 14921, 19307, 29842, 38614, 74605, 96535, 149210, 155803, 193070, 311606, 779015, 1558030, 6699529, 13399058, 33497645, 66995290]

約数ペア:

[(1, 66995290), (2, 33497645), (5, 13399058), (10, 6699529), (43, 1558030), (86, 779015), (215, 311606), (347, 193070), (430, 155803), (449, 149210), (694, 96535), (898, 74605), (1735, 38614), (2245, 29842), (3470, 19307), (4490, 14921)]