989682625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{10831}}^1$

素因数の和:10906

約数の個数: 32

約数和(自身を含む): 1338315264

約数和(自身を除く): 348632639

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 425, 731, 1075, 2125, 3655, 5375, 10831, 18275, 54155, 91375, 184127, 270775, 465733, 920635, 1353875, 2328665, 4603175, 7917461, 11643325, 23015875, 39587305, 58216625, 197936525, 989682625]

約数ペア:

[(1, 989682625), (5, 197936525), (17, 58216625), (25, 39587305), (43, 23015875), (85, 11643325), (125, 7917461), (215, 4603175), (425, 2328665), (731, 1353875), (1075, 920635), (2125, 465733), (3655, 270775), (5375, 184127), (10831, 91375), (18275, 54155)]