81891792

素因数分解:

$2^4\times 3^2\times {\mathrm{691}}^1\times {\mathrm{823}}^1$

素因数の和:1528

約数の個数: 60

約数和(自身を含む): 229793824

約数和(自身を除く): 147902032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 691, 823, 1382, 1646, 2073, 2469, 2764, 3292, 4146, 4938, 5528, 6219, 6584, 7407, 8292, 9876, 11056, 12438, 13168, 14814, 16584, 19752, 24876, 29628, 33168, 39504, 49752, 59256, 99504, 118512, 568693, 1137386, 1706079, 2274772, 3412158, 4549544, 5118237, 6824316, 9099088, 10236474, 13648632, 20472948, 27297264, 40945896, 81891792]

約数ペア:

[(1, 81891792), (2, 40945896), (3, 27297264), (4, 20472948), (6, 13648632), (8, 10236474), (9, 9099088), (12, 6824316), (16, 5118237), (18, 4549544), (24, 3412158), (36, 2274772), (48, 1706079), (72, 1137386), (144, 568693), (691, 118512), (823, 99504), (1382, 59256), (1646, 49752), (2073, 39504), (2469, 33168), (2764, 29628), (3292, 24876), (4146, 19752), (4938, 16584), (5528, 14814), (6219, 13168), (6584, 12438), (7407, 11056), (8292, 9876)]