81443164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1098

約数の個数: 36

約数和(自身を含む): 157659264

約数和(自身を除く): 76216100

約数列:

[1, 2, 4, 11, 22, 44, 121, 191, 242, 382, 484, 764, 881, 1762, 2101, 3524, 4202, 8404, 9691, 19382, 23111, 38764, 46222, 92444, 106601, 168271, 213202, 336542, 426404, 673084, 1850981, 3701962, 7403924, 20360791, 40721582, 81443164]

約数ペア:

[(1, 81443164), (2, 40721582), (4, 20360791), (11, 7403924), (22, 3701962), (44, 1850981), (121, 673084), (191, 426404), (242, 336542), (382, 213202), (484, 168271), (764, 106601), (881, 92444), (1762, 46222), (2101, 38764), (3524, 23111), (4202, 19382), (8404, 9691)]