81009808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2543}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 172238976

約数和(自身を除く): 91229168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 724, 1448, 1991, 2543, 2896, 3982, 5086, 7964, 10172, 15928, 20344, 27973, 31856, 40688, 55946, 111892, 223784, 447568, 460283, 920566, 1841132, 3682264, 5063113, 7364528, 10126226, 20252452, 40504904, 81009808]

約数ペア:

[(1, 81009808), (2, 40504904), (4, 20252452), (8, 10126226), (11, 7364528), (16, 5063113), (22, 3682264), (44, 1841132), (88, 920566), (176, 460283), (181, 447568), (362, 223784), (724, 111892), (1448, 55946), (1991, 40688), (2543, 31856), (2896, 27973), (3982, 20344), (5086, 15928), (7964, 10172)]