263832008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{21569}}^1$

素因数の和:21725

約数の個数: 32

約数和(自身を含む): 543564000

約数和(自身を除く): 279731992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 21569, 43138, 86276, 172552, 237259, 474518, 949036, 1898072, 2998091, 5996182, 11992364, 23984728, 32979001, 65958002, 131916004, 263832008]

約数ペア:

[(1, 263832008), (2, 131916004), (4, 65958002), (8, 32979001), (11, 23984728), (22, 11992364), (44, 5996182), (88, 2998091), (139, 1898072), (278, 949036), (556, 474518), (1112, 237259), (1529, 172552), (3058, 86276), (6116, 43138), (12232, 21569)]