7988886

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 18170880

約数和(自身を除く): 10181994

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 139, 186, 206, 278, 279, 309, 417, 558, 618, 834, 927, 1251, 1854, 2502, 3193, 4309, 6386, 8618, 9579, 12927, 14317, 19158, 25854, 28634, 28737, 38781, 42951, 57474, 77562, 85902, 128853, 257706, 443827, 887654, 1331481, 2662962, 3994443, 7988886]

約数ペア:

[(1, 7988886), (2, 3994443), (3, 2662962), (6, 1331481), (9, 887654), (18, 443827), (31, 257706), (62, 128853), (93, 85902), (103, 77562), (139, 57474), (186, 42951), (206, 38781), (278, 28737), (279, 28634), (309, 25854), (417, 19158), (558, 14317), (618, 12927), (834, 9579), (927, 8618), (1251, 6386), (1854, 4309), (2502, 3193)]