42821855

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 52164000

約数和(自身を除く): 9342145

約数列:

[1, 5, 149, 229, 251, 745, 1145, 1255, 34121, 37399, 57479, 170605, 186995, 287395, 8564371, 42821855]

約数ペア:

[(1, 42821855), (5, 8564371), (149, 287395), (229, 186995), (251, 170605), (745, 57479), (1145, 37399), (1255, 34121)]