28188030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72277}}^1$

素因数の和:72300

約数の個数: 32

約数和(自身を含む): 72856224

約数和(自身を除く): 44668194

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72277, 144554, 216831, 361385, 433662, 722770, 939601, 1084155, 1879202, 2168310, 2818803, 4698005, 5637606, 9396010, 14094015, 28188030]

約数ペア:

[(1, 28188030), (2, 14094015), (3, 9396010), (5, 5637606), (6, 4698005), (10, 2818803), (13, 2168310), (15, 1879202), (26, 1084155), (30, 939601), (39, 722770), (65, 433662), (78, 361385), (130, 216831), (195, 144554), (390, 72277)]