81075778

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 143555328

約数和(自身を除く): 62479550

約数列:

[1, 2, 7, 14, 41, 82, 137, 274, 287, 574, 959, 1031, 1918, 2062, 5617, 7217, 11234, 14434, 39319, 42271, 78638, 84542, 141247, 282494, 295897, 591794, 988729, 1977458, 5791127, 11582254, 40537889, 81075778]

約数ペア:

[(1, 81075778), (2, 40537889), (7, 11582254), (14, 5791127), (41, 1977458), (82, 988729), (137, 591794), (274, 295897), (287, 282494), (574, 141247), (959, 84542), (1031, 78638), (1918, 42271), (2062, 39319), (5617, 14434), (7217, 11234)]