248889455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 330782400

約数和(自身を除く): 81892945

約数列:

[1, 5, 19, 29, 61, 95, 145, 305, 551, 1159, 1481, 1769, 2755, 5795, 7405, 8845, 28139, 33611, 42949, 90341, 140695, 168055, 214745, 451705, 816031, 1716479, 2619889, 4080155, 8582395, 13099445, 49777891, 248889455]

約数ペア:

[(1, 248889455), (5, 49777891), (19, 13099445), (29, 8582395), (61, 4080155), (95, 2619889), (145, 1716479), (305, 816031), (551, 451705), (1159, 214745), (1481, 168055), (1769, 140695), (2755, 90341), (5795, 42949), (7405, 33611), (8845, 28139)]