28243670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 64181376

約数和(自身を除く): 35937706

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 287, 410, 455, 533, 574, 757, 910, 1066, 1435, 1514, 2665, 2870, 3731, 3785, 5299, 5330, 7462, 7570, 9841, 10598, 18655, 19682, 26495, 31037, 37310, 49205, 52990, 62074, 68887, 98410, 137774, 155185, 217259, 310370, 344435, 403481, 434518, 688870, 806962, 1086295, 2017405, 2172590, 2824367, 4034810, 5648734, 14121835, 28243670]

約数ペア:

[(1, 28243670), (2, 14121835), (5, 5648734), (7, 4034810), (10, 2824367), (13, 2172590), (14, 2017405), (26, 1086295), (35, 806962), (41, 688870), (65, 434518), (70, 403481), (82, 344435), (91, 310370), (130, 217259), (182, 155185), (205, 137774), (287, 98410), (410, 68887), (455, 62074), (533, 52990), (574, 49205), (757, 37310), (910, 31037), (1066, 26495), (1435, 19682), (1514, 18655), (2665, 10598), (2870, 9841), (3731, 7570), (3785, 7462), (5299, 5330)]