81802068

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{719}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 201600000

約数和(自身を除く): 119797932

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 499, 719, 998, 1438, 1497, 1996, 2157, 2876, 2994, 4314, 5988, 8628, 9481, 13661, 18962, 27322, 28443, 37924, 40983, 54644, 56886, 81966, 113772, 163932, 358781, 717562, 1076343, 1435124, 2152686, 4305372, 6816839, 13633678, 20450517, 27267356, 40901034, 81802068]

約数ペア:

[(1, 81802068), (2, 40901034), (3, 27267356), (4, 20450517), (6, 13633678), (12, 6816839), (19, 4305372), (38, 2152686), (57, 1435124), (76, 1076343), (114, 717562), (228, 358781), (499, 163932), (719, 113772), (998, 81966), (1438, 56886), (1497, 54644), (1996, 40983), (2157, 37924), (2876, 28443), (2994, 27322), (4314, 18962), (5988, 13661), (8628, 9481)]