81985424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4129}}^1$

素因数の和:4227

約数の個数: 40

約数和(自身を含む): 170535960

約数和(自身を除く): 88550536

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1168, 1241, 2482, 4129, 4964, 8258, 9928, 16516, 19856, 33032, 66064, 70193, 140386, 280772, 301417, 561544, 602834, 1123088, 1205668, 2411336, 4822672, 5124089, 10248178, 20496356, 40992712, 81985424]

約数ペア:

[(1, 81985424), (2, 40992712), (4, 20496356), (8, 10248178), (16, 5124089), (17, 4822672), (34, 2411336), (68, 1205668), (73, 1123088), (136, 602834), (146, 561544), (272, 301417), (292, 280772), (584, 140386), (1168, 70193), (1241, 66064), (2482, 33032), (4129, 19856), (4964, 16516), (8258, 9928)]