90218635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 119968128

約数和(自身を除く): 29749493

約数列:

[1, 5, 13, 65, 71, 113, 173, 355, 565, 865, 923, 1469, 2249, 4615, 7345, 8023, 11245, 12283, 19549, 40115, 61415, 97745, 104299, 159679, 254137, 521495, 798395, 1270685, 1387979, 6939895, 18043727, 90218635]

約数ペア:

[(1, 90218635), (5, 18043727), (13, 6939895), (65, 1387979), (71, 1270685), (113, 798395), (173, 521495), (355, 254137), (565, 159679), (865, 104299), (923, 97745), (1469, 61415), (2249, 40115), (4615, 19549), (7345, 12283), (8023, 11245)]