390388895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{26227}}^1$

素因数の和:26474

約数の個数: 16

約数和(自身を含む): 506724960

約数和(自身を除く): 116336065

約数列:

[1, 5, 13, 65, 229, 1145, 2977, 14885, 26227, 131135, 340951, 1704755, 6005983, 30029915, 78077779, 390388895]

約数ペア:

[(1, 390388895), (5, 78077779), (13, 30029915), (65, 6005983), (229, 1704755), (1145, 340951), (2977, 131135), (14885, 26227)]