128548931072

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{40699}}^1$

素因数の和:40947

約数の個数: 80

約数和(自身を含む): 266471040000

約数和(自身を除く): 137922108928

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 199, 248, 256, 398, 496, 512, 796, 992, 1592, 1984, 3184, 3968, 6169, 6368, 7936, 12338, 12736, 15872, 24676, 25472, 40699, 49352, 50944, 81398, 98704, 101888, 162796, 197408, 325592, 394816, 651184, 789632, 1261669, 1302368, 1579264, 2523338, 2604736, 3158528, 5046676, 5209472, 8099101, 10093352, 10418944, 16198202, 20186704, 20837888, 32396404, 40373408, 64792808, 80746816, 129585616, 161493632, 251072131, 259171232, 322987264, 502144262, 518342464, 645974528, 1004288524, 1036684928, 2008577048, 2073369856, 4017154096, 4146739712, 8034308192, 16068616384, 32137232768, 64274465536, 128548931072]

約数ペア:

[(1, 128548931072), (2, 64274465536), (4, 32137232768), (8, 16068616384), (16, 8034308192), (31, 4146739712), (32, 4017154096), (62, 2073369856), (64, 2008577048), (124, 1036684928), (128, 1004288524), (199, 645974528), (248, 518342464), (256, 502144262), (398, 322987264), (496, 259171232), (512, 251072131), (796, 161493632), (992, 129585616), (1592, 80746816), (1984, 64792808), (3184, 40373408), (3968, 32396404), (6169, 20837888), (6368, 20186704), (7936, 16198202), (12338, 10418944), (12736, 10093352), (15872, 8099101), (24676, 5209472), (25472, 5046676), (40699, 3158528), (49352, 2604736), (50944, 2523338), (81398, 1579264), (98704, 1302368), (101888, 1261669), (162796, 789632), (197408, 651184), (325592, 394816)]