389628305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{228521}}^1$

素因数の和:228568

約数の個数: 16

約数和(自身を含む): 526514688

約数和(自身を除く): 136886383

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 228521, 1142605, 2513731, 7084151, 12568655, 35420755, 77925661, 389628305]

約数ペア:

[(1, 389628305), (5, 77925661), (11, 35420755), (31, 12568655), (55, 7084151), (155, 2513731), (341, 1142605), (1705, 228521)]