215920394

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{7933}}^1$

素因数の和:8405

約数の個数: 16

約数和(自身を含む): 335132160

約数和(自身を除く): 119211766

約数列:

[1, 2, 31, 62, 439, 878, 7933, 13609, 15866, 27218, 245923, 491846, 3482587, 6965174, 107960197, 215920394]

約数ペア:

[(1, 215920394), (2, 107960197), (31, 6965174), (62, 3482587), (439, 491846), (878, 245923), (7933, 27218), (13609, 15866)]