28720888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30169}}^1$

素因数の和:30199

約数の個数: 32

約数和(自身を含む): 65167200

約数和(自身を除く): 36446312

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 30169, 60338, 120676, 211183, 241352, 422366, 512873, 844732, 1025746, 1689464, 2051492, 3590111, 4102984, 7180222, 14360444, 28720888]

約数ペア:

[(1, 28720888), (2, 14360444), (4, 7180222), (7, 4102984), (8, 3590111), (14, 2051492), (17, 1689464), (28, 1025746), (34, 844732), (56, 512873), (68, 422366), (119, 241352), (136, 211183), (238, 120676), (476, 60338), (952, 30169)]