2008907881984

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1602143}}^1$

素因数の和:1602271

約数の個数: 80

約数和(自身を含む): 4195822878720

約数和(自身を除く): 2186914996736

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 496, 512, 632, 992, 1264, 1984, 2449, 2528, 3968, 4898, 5056, 7936, 9796, 10112, 15872, 19592, 20224, 39184, 40448, 78368, 156736, 313472, 626944, 1253888, 1602143, 3204286, 6408572, 12817144, 25634288, 49666433, 51268576, 99332866, 102537152, 126569297, 198665732, 205074304, 253138594, 397331464, 410148608, 506277188, 794662928, 820297216, 1012554376, 1589325856, 2025108752, 3178651712, 3923648207, 4050217504, 6357303424, 7847296414, 8100435008, 12714606848, 15694592828, 16200870016, 25429213696, 31389185656, 32401740032, 62778371312, 64803480064, 125556742624, 251113485248, 502226970496, 1004453940992, 2008907881984]

約数ペア:

[(1, 2008907881984), (2, 1004453940992), (4, 502226970496), (8, 251113485248), (16, 125556742624), (31, 64803480064), (32, 62778371312), (62, 32401740032), (64, 31389185656), (79, 25429213696), (124, 16200870016), (128, 15694592828), (158, 12714606848), (248, 8100435008), (256, 7847296414), (316, 6357303424), (496, 4050217504), (512, 3923648207), (632, 3178651712), (992, 2025108752), (1264, 1589325856), (1984, 1012554376), (2449, 820297216), (2528, 794662928), (3968, 506277188), (4898, 410148608), (5056, 397331464), (7936, 253138594), (9796, 205074304), (10112, 198665732), (15872, 126569297), (19592, 102537152), (20224, 99332866), (39184, 51268576), (40448, 49666433), (78368, 25634288), (156736, 12817144), (313472, 6408572), (626944, 3204286), (1253888, 1602143)]