81656208

素因数分解:

$2^4\times 3^3\times {\mathrm{189019}}^1$

素因数の和:189036

約数の個数: 40

約数和(自身を含む): 234384800

約数和(自身を除く): 152728592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 189019, 378038, 567057, 756076, 1134114, 1512152, 1701171, 2268228, 3024304, 3402342, 4536456, 5103513, 6804684, 9072912, 10207026, 13609368, 20414052, 27218736, 40828104, 81656208]

約数ペア:

[(1, 81656208), (2, 40828104), (3, 27218736), (4, 20414052), (6, 13609368), (8, 10207026), (9, 9072912), (12, 6804684), (16, 5103513), (18, 4536456), (24, 3402342), (27, 3024304), (36, 2268228), (48, 1701171), (54, 1512152), (72, 1134114), (108, 756076), (144, 567057), (216, 378038), (432, 189019)]