81397816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5563}}^1$

素因数の和:5659

約数の個数: 32

約数和(自身を含む): 160243200

約数和(自身を除く): 78845384

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1829, 3658, 5563, 7316, 11126, 14632, 22252, 44504, 172453, 328217, 344906, 656434, 689812, 1312868, 1379624, 2625736, 10174727, 20349454, 40698908, 81397816]

約数ペア:

[(1, 81397816), (2, 40698908), (4, 20349454), (8, 10174727), (31, 2625736), (59, 1379624), (62, 1312868), (118, 689812), (124, 656434), (236, 344906), (248, 328217), (472, 172453), (1829, 44504), (3658, 22252), (5563, 14632), (7316, 11126)]