81128404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2089}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 173219200

約数和(自身を除く): 92090796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 511, 532, 1022, 1387, 2044, 2089, 2774, 4178, 5548, 8356, 9709, 14623, 19418, 29246, 38836, 39691, 58492, 79382, 152497, 158764, 277837, 304994, 555674, 609988, 1067479, 1111348, 2134958, 2897443, 4269916, 5794886, 11589772, 20282101, 40564202, 81128404]

約数ペア:

[(1, 81128404), (2, 40564202), (4, 20282101), (7, 11589772), (14, 5794886), (19, 4269916), (28, 2897443), (38, 2134958), (73, 1111348), (76, 1067479), (133, 609988), (146, 555674), (266, 304994), (292, 277837), (511, 158764), (532, 152497), (1022, 79382), (1387, 58492), (2044, 39691), (2089, 38836), (2774, 29246), (4178, 19418), (5548, 14623), (8356, 9709)]