215518562

素因数分解:

$2^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1280

約数の個数: 40

約数和(自身を含む): 387647196

約数和(自身を除く): 172128634

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 518, 686, 1213, 1813, 2401, 2426, 3626, 4802, 8491, 12691, 16982, 25382, 44881, 59437, 88837, 89762, 118874, 177674, 314167, 416059, 628334, 832118, 2199169, 2912413, 4398338, 5824826, 15394183, 30788366, 107759281, 215518562]

約数ペア:

[(1, 215518562), (2, 107759281), (7, 30788366), (14, 15394183), (37, 5824826), (49, 4398338), (74, 2912413), (98, 2199169), (259, 832118), (343, 628334), (518, 416059), (686, 314167), (1213, 177674), (1813, 118874), (2401, 89762), (2426, 88837), (3626, 59437), (4802, 44881), (8491, 25382), (12691, 16982)]