81517254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1061

約数の個数: 64

約数和(自身を含む): 202051584

約数和(自身を除く): 120534330

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 173, 182, 273, 346, 519, 546, 863, 1038, 1211, 1726, 2249, 2422, 2589, 3633, 4498, 5178, 6041, 6747, 7266, 11219, 12082, 13494, 15743, 18123, 22438, 31486, 33657, 36246, 47229, 67314, 78533, 94458, 149299, 157066, 235599, 298598, 447897, 471198, 895794, 1045093, 1940887, 2090186, 3135279, 3881774, 5822661, 6270558, 11645322, 13586209, 27172418, 40758627, 81517254]

約数ペア:

[(1, 81517254), (2, 40758627), (3, 27172418), (6, 13586209), (7, 11645322), (13, 6270558), (14, 5822661), (21, 3881774), (26, 3135279), (39, 2090186), (42, 1940887), (78, 1045093), (91, 895794), (173, 471198), (182, 447897), (273, 298598), (346, 235599), (519, 157066), (546, 149299), (863, 94458), (1038, 78533), (1211, 67314), (1726, 47229), (2249, 36246), (2422, 33657), (2589, 31486), (3633, 22438), (4498, 18123), (5178, 15743), (6041, 13494), (6747, 12082), (7266, 11219)]