15771988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1693}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 29455272

約数和(自身を除く): 13683284

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 1693, 2329, 3386, 4658, 6772, 9316, 28781, 57562, 115124, 231941, 463882, 927764, 3942997, 7885994, 15771988]

約数ペア:

[(1, 15771988), (2, 7885994), (4, 3942997), (17, 927764), (34, 463882), (68, 231941), (137, 115124), (274, 57562), (548, 28781), (1693, 9316), (2329, 6772), (3386, 4658)]