28198116

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1973}}^1$

素因数の和:2380

約数の個数: 36

約数和(自身を含む): 71494332

約数和(自身を除く): 43296216

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1588, 1973, 2382, 3573, 3946, 4764, 5919, 7146, 7892, 11838, 14292, 17757, 23676, 35514, 71028, 783281, 1566562, 2349843, 3133124, 4699686, 7049529, 9399372, 14099058, 28198116]

約数ペア:

[(1, 28198116), (2, 14099058), (3, 9399372), (4, 7049529), (6, 4699686), (9, 3133124), (12, 2349843), (18, 1566562), (36, 783281), (397, 71028), (794, 35514), (1191, 23676), (1588, 17757), (1973, 14292), (2382, 11838), (3573, 7892), (3946, 7146), (4764, 5919)]