9984415

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 14561280

約数和(自身を除く): 4576865

約数列:

[1, 5, 7, 23, 35, 79, 115, 157, 161, 395, 553, 785, 805, 1099, 1817, 2765, 3611, 5495, 9085, 12403, 12719, 18055, 25277, 62015, 63595, 86821, 126385, 285269, 434105, 1426345, 1996883, 9984415]

約数ペア:

[(1, 9984415), (5, 1996883), (7, 1426345), (23, 434105), (35, 285269), (79, 126385), (115, 86821), (157, 63595), (161, 62015), (395, 25277), (553, 18055), (785, 12719), (805, 12403), (1099, 9085), (1817, 5495), (2765, 3611)]