90501815

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{1949}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 112039200

約数和(自身を除く): 21537385

約数列:

[1, 5, 37, 185, 251, 1255, 1949, 9287, 9745, 46435, 72113, 360565, 489199, 2445995, 18100363, 90501815]

約数ペア:

[(1, 90501815), (5, 18100363), (37, 2445995), (185, 489199), (251, 360565), (1255, 72113), (1949, 46435), (9287, 9745)]