89898985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 122860800

約数和(自身を除く): 32961815

約数列:

[1, 5, 11, 29, 55, 145, 157, 319, 359, 785, 1595, 1727, 1795, 3949, 4553, 8635, 10411, 19745, 22765, 50083, 52055, 56363, 114521, 250415, 281815, 572605, 619993, 1634527, 3099965, 8172635, 17979797, 89898985]

約数ペア:

[(1, 89898985), (5, 17979797), (11, 8172635), (29, 3099965), (55, 1634527), (145, 619993), (157, 572605), (319, 281815), (359, 250415), (785, 114521), (1595, 56363), (1727, 52055), (1795, 50083), (3949, 22765), (4553, 19745), (8635, 10411)]