68889990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{176641}}^1$

素因数の和:176664

約数の個数: 32

約数和(自身を含む): 178055136

約数和(自身を除く): 109165146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 176641, 353282, 529923, 883205, 1059846, 1766410, 2296333, 2649615, 4592666, 5299230, 6888999, 11481665, 13777998, 22963330, 34444995, 68889990]

約数ペア:

[(1, 68889990), (2, 34444995), (3, 22963330), (5, 13777998), (6, 11481665), (10, 6888999), (13, 5299230), (15, 4592666), (26, 2649615), (30, 2296333), (39, 1766410), (65, 1059846), (78, 883205), (130, 529923), (195, 353282), (390, 176641)]