31559970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80923}}^1$

素因数の和:80946

約数の個数: 32

約数和(自身を含む): 81571392

約数和(自身を除く): 50011422

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80923, 161846, 242769, 404615, 485538, 809230, 1051999, 1213845, 2103998, 2427690, 3155997, 5259995, 6311994, 10519990, 15779985, 31559970]

約数ペア:

[(1, 31559970), (2, 15779985), (3, 10519990), (5, 6311994), (6, 5259995), (10, 3155997), (13, 2427690), (15, 2103998), (26, 1213845), (30, 1051999), (39, 809230), (65, 485538), (78, 404615), (130, 242769), (195, 161846), (390, 80923)]