71781554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 128701440

約数和(自身を除く): 56919886

約数列:

[1, 2, 13, 26, 29, 31, 37, 58, 62, 74, 83, 166, 377, 403, 481, 754, 806, 899, 962, 1073, 1079, 1147, 1798, 2146, 2158, 2294, 2407, 2573, 3071, 4814, 5146, 6142, 11687, 13949, 14911, 23374, 27898, 29822, 31291, 33263, 33449, 39923, 62582, 66526, 66898, 74617, 79846, 89059, 95201, 149234, 178118, 190402, 432419, 864838, 970021, 1157767, 1237613, 1940042, 2315534, 2475226, 2760829, 5521658, 35890777, 71781554]

約数ペア:

[(1, 71781554), (2, 35890777), (13, 5521658), (26, 2760829), (29, 2475226), (31, 2315534), (37, 1940042), (58, 1237613), (62, 1157767), (74, 970021), (83, 864838), (166, 432419), (377, 190402), (403, 178118), (481, 149234), (754, 95201), (806, 89059), (899, 79846), (962, 74617), (1073, 66898), (1079, 66526), (1147, 62582), (1798, 39923), (2146, 33449), (2158, 33263), (2294, 31291), (2407, 29822), (2573, 27898), (3071, 23374), (4814, 14911), (5146, 13949), (6142, 11687)]