81795266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 152162880

約数和(自身を除く): 70367614

約数列:

[1, 2, 7, 14, 19, 38, 61, 71, 122, 133, 142, 266, 427, 497, 854, 994, 1159, 1349, 2318, 2698, 4331, 5041, 8113, 8662, 9443, 10082, 16226, 18886, 30317, 35287, 60634, 70574, 82289, 95779, 164578, 191558, 307501, 576023, 615002, 670453, 1152046, 1340906, 2152507, 4305014, 5842519, 11685038, 40897633, 81795266]

約数ペア:

[(1, 81795266), (2, 40897633), (7, 11685038), (14, 5842519), (19, 4305014), (38, 2152507), (61, 1340906), (71, 1152046), (122, 670453), (133, 615002), (142, 576023), (266, 307501), (427, 191558), (497, 164578), (854, 95779), (994, 82289), (1159, 70574), (1349, 60634), (2318, 35287), (2698, 30317), (4331, 18886), (5041, 16226), (8113, 10082), (8662, 9443)]