72801608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8191}}^1$

素因数の和:8309

約数の個数: 32

約数和(自身を含む): 150405120

約数和(自身を除く): 77603512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 4444, 8191, 8888, 16382, 32764, 65528, 90101, 180202, 360404, 720808, 827291, 1654582, 3309164, 6618328, 9100201, 18200402, 36400804, 72801608]

約数ペア:

[(1, 72801608), (2, 36400804), (4, 18200402), (8, 9100201), (11, 6618328), (22, 3309164), (44, 1654582), (88, 827291), (101, 720808), (202, 360404), (404, 180202), (808, 90101), (1111, 65528), (2222, 32764), (4444, 16382), (8191, 8888)]