81013648

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 160580000

約数和(自身を除く): 79566352

約数列:

[1, 2, 4, 8, 16, 73, 139, 146, 278, 292, 499, 556, 584, 998, 1112, 1168, 1996, 2224, 3992, 7984, 10147, 20294, 36427, 40588, 69361, 72854, 81176, 138722, 145708, 162352, 277444, 291416, 554888, 582832, 1109776, 5063353, 10126706, 20253412, 40506824, 81013648]

約数ペア:

[(1, 81013648), (2, 40506824), (4, 20253412), (8, 10126706), (16, 5063353), (73, 1109776), (139, 582832), (146, 554888), (278, 291416), (292, 277444), (499, 162352), (556, 145708), (584, 138722), (998, 81176), (1112, 72854), (1168, 69361), (1996, 40588), (2224, 36427), (3992, 20294), (7984, 10147)]