81717608

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39439}}^1$

素因数の和:39489

約数の個数: 32

約数和(自身を含む): 179846400

約数和(自身を除く): 98128792

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39439, 78878, 157756, 276073, 315512, 552146, 1104292, 1459243, 2208584, 2918486, 5836972, 10214701, 11673944, 20429402, 40858804, 81717608]

約数ペア:

[(1, 81717608), (2, 40858804), (4, 20429402), (7, 11673944), (8, 10214701), (14, 5836972), (28, 2918486), (37, 2208584), (56, 1459243), (74, 1104292), (148, 552146), (259, 315512), (296, 276073), (518, 157756), (1036, 78878), (2072, 39439)]