13271995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 18429120

約数和(自身を除く): 5157125

約数列:

[1, 5, 11, 29, 53, 55, 145, 157, 265, 319, 583, 785, 1537, 1595, 1727, 2915, 4553, 7685, 8321, 8635, 16907, 22765, 41605, 50083, 84535, 91531, 241309, 250415, 457655, 1206545, 2654399, 13271995]

約数ペア:

[(1, 13271995), (5, 2654399), (11, 1206545), (29, 457655), (53, 250415), (55, 241309), (145, 91531), (157, 84535), (265, 50083), (319, 41605), (583, 22765), (785, 16907), (1537, 8635), (1595, 8321), (1727, 7685), (2915, 4553)]