87731390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{307}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 171941616

約数和(自身を除く): 84210226

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 307, 410, 614, 697, 1394, 1535, 1681, 3070, 3362, 3485, 5219, 6970, 8405, 10438, 12587, 16810, 25174, 26095, 28577, 52190, 57154, 62935, 125870, 142885, 213979, 285770, 427958, 516067, 1032134, 1069895, 2139790, 2580335, 5160670, 8773139, 17546278, 43865695, 87731390]

約数ペア:

[(1, 87731390), (2, 43865695), (5, 17546278), (10, 8773139), (17, 5160670), (34, 2580335), (41, 2139790), (82, 1069895), (85, 1032134), (170, 516067), (205, 427958), (307, 285770), (410, 213979), (614, 142885), (697, 125870), (1394, 62935), (1535, 57154), (1681, 52190), (3070, 28577), (3362, 26095), (3485, 25174), (5219, 16810), (6970, 12587), (8405, 10438)]