81349386

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 179159040

約数和(自身を除く): 97809654

約数列:

[1, 2, 3, 6, 17, 34, 47, 51, 71, 94, 102, 141, 142, 213, 239, 282, 426, 478, 717, 799, 1207, 1434, 1598, 2397, 2414, 3337, 3621, 4063, 4794, 6674, 7242, 8126, 10011, 11233, 12189, 16969, 20022, 22466, 24378, 33699, 33938, 50907, 56729, 67398, 101814, 113458, 170187, 190961, 288473, 340374, 381922, 572883, 576946, 797543, 865419, 1145766, 1595086, 1730838, 2392629, 4785258, 13558231, 27116462, 40674693, 81349386]

約数ペア:

[(1, 81349386), (2, 40674693), (3, 27116462), (6, 13558231), (17, 4785258), (34, 2392629), (47, 1730838), (51, 1595086), (71, 1145766), (94, 865419), (102, 797543), (141, 576946), (142, 572883), (213, 381922), (239, 340374), (282, 288473), (426, 190961), (478, 170187), (717, 113458), (799, 101814), (1207, 67398), (1434, 56729), (1598, 50907), (2397, 33938), (2414, 33699), (3337, 24378), (3621, 22466), (4063, 20022), (4794, 16969), (6674, 12189), (7242, 11233), (8126, 10011)]