87385228

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{2113}}^1$

素因数の和:2342

約数の個数: 36

約数和(自身を含む): 178819032

約数和(自身を除く): 91433804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 844, 1477, 2113, 2954, 4226, 5908, 8452, 10339, 14791, 20678, 29582, 41356, 59164, 103537, 207074, 414148, 445843, 891686, 1783372, 3120901, 6241802, 12483604, 21846307, 43692614, 87385228]

約数ペア:

[(1, 87385228), (2, 43692614), (4, 21846307), (7, 12483604), (14, 6241802), (28, 3120901), (49, 1783372), (98, 891686), (196, 445843), (211, 414148), (422, 207074), (844, 103537), (1477, 59164), (2113, 41356), (2954, 29582), (4226, 20678), (5908, 14791), (8452, 10339)]