1321371808

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{419}}^1\times {\mathrm{709}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 2630124000

約数和(自身を除く): 1308752192

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 419, 556, 709, 838, 1112, 1418, 1676, 2224, 2836, 3352, 4448, 5672, 6704, 11344, 13408, 22688, 58241, 98551, 116482, 197102, 232964, 297071, 394204, 465928, 594142, 788408, 931856, 1188284, 1576816, 1863712, 2376568, 3153632, 4753136, 9506272, 41292869, 82585738, 165171476, 330342952, 660685904, 1321371808]

約数ペア:

[(1, 1321371808), (2, 660685904), (4, 330342952), (8, 165171476), (16, 82585738), (32, 41292869), (139, 9506272), (278, 4753136), (419, 3153632), (556, 2376568), (709, 1863712), (838, 1576816), (1112, 1188284), (1418, 931856), (1676, 788408), (2224, 594142), (2836, 465928), (3352, 394204), (4448, 297071), (5672, 232964), (6704, 197102), (11344, 116482), (13408, 98551), (22688, 58241)]