81908027392

素因数分解:

$2^{12}\times {\mathrm{31}}^1\times {\mathrm{645067}}^1$

素因数の和:645122

約数の個数: 52

約数和(自身を含む): 169080063616

約数和(自身を除く): 87172036224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 2048, 3968, 4096, 7936, 15872, 31744, 63488, 126976, 645067, 1290134, 2580268, 5160536, 10321072, 19997077, 20642144, 39994154, 41284288, 79988308, 82568576, 159976616, 165137152, 319953232, 330274304, 639906464, 660548608, 1279812928, 1321097216, 2559625856, 2642194432, 5119251712, 10238503424, 20477006848, 40954013696, 81908027392]

約数ペア:

[(1, 81908027392), (2, 40954013696), (4, 20477006848), (8, 10238503424), (16, 5119251712), (31, 2642194432), (32, 2559625856), (62, 1321097216), (64, 1279812928), (124, 660548608), (128, 639906464), (248, 330274304), (256, 319953232), (496, 165137152), (512, 159976616), (992, 82568576), (1024, 79988308), (1984, 41284288), (2048, 39994154), (3968, 20642144), (4096, 19997077), (7936, 10321072), (15872, 5160536), (31744, 2580268), (63488, 1290134), (126976, 645067)]