28606890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73351}}^1$

素因数の和:73374

約数の個数: 32

約数和(自身を含む): 73938816

約数和(自身を除く): 45331926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73351, 146702, 220053, 366755, 440106, 733510, 953563, 1100265, 1907126, 2200530, 2860689, 4767815, 5721378, 9535630, 14303445, 28606890]

約数ペア:

[(1, 28606890), (2, 14303445), (3, 9535630), (5, 5721378), (6, 4767815), (10, 2860689), (13, 2200530), (15, 1907126), (26, 1100265), (30, 953563), (39, 733510), (65, 440106), (78, 366755), (130, 220053), (195, 146702), (390, 73351)]