31882110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81749}}^1$

素因数の和:81772

約数の個数: 32

約数和(自身を含む): 82404000

約数和(自身を除く): 50521890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81749, 163498, 245247, 408745, 490494, 817490, 1062737, 1226235, 2125474, 2452470, 3188211, 5313685, 6376422, 10627370, 15941055, 31882110]

約数ペア:

[(1, 31882110), (2, 15941055), (3, 10627370), (5, 6376422), (6, 5313685), (10, 3188211), (13, 2452470), (15, 2125474), (26, 1226235), (30, 1062737), (39, 817490), (65, 490494), (78, 408745), (130, 245247), (195, 163498), (390, 81749)]