81775368

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8171}}^1$

素因数の和:8322

約数の個数: 48

約数和(自身を含む): 223095600

約数和(自身を除く): 141320232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 5004, 8171, 10008, 16342, 24513, 32684, 49026, 65368, 73539, 98052, 147078, 196104, 294156, 588312, 1135769, 2271538, 3407307, 4543076, 6814614, 9086152, 10221921, 13629228, 20443842, 27258456, 40887684, 81775368]

約数ペア:

[(1, 81775368), (2, 40887684), (3, 27258456), (4, 20443842), (6, 13629228), (8, 10221921), (9, 9086152), (12, 6814614), (18, 4543076), (24, 3407307), (36, 2271538), (72, 1135769), (139, 588312), (278, 294156), (417, 196104), (556, 147078), (834, 98052), (1112, 73539), (1251, 65368), (1668, 49026), (2502, 32684), (3336, 24513), (5004, 16342), (8171, 10008)]