388957145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{20327}}^1$

素因数の和:20464

約数の個数: 16

約数和(自身を含む): 482993280

約数和(自身を除く): 94036135

約数列:

[1, 5, 43, 89, 215, 445, 3827, 19135, 20327, 101635, 874061, 1809103, 4370305, 9045515, 77791429, 388957145]

約数ペア:

[(1, 388957145), (5, 77791429), (43, 9045515), (89, 4370305), (215, 1809103), (445, 874061), (3827, 101635), (19135, 20327)]