398767105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233881}}^1$

素因数の和:233928

約数の個数: 16

約数和(自身を含む): 538864128

約数和(自身を除く): 140097023

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 233881, 1169405, 2572691, 7250311, 12863455, 36251555, 79753421, 398767105]

約数ペア:

[(1, 398767105), (5, 79753421), (11, 36251555), (31, 12863455), (55, 7250311), (155, 2572691), (341, 1169405), (1705, 233881)]