28717938

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 65909376

約数和(自身を除く): 37191438

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 977, 1278, 1633, 1954, 2931, 3266, 4899, 5862, 8793, 9798, 14697, 17586, 22471, 29394, 44942, 67413, 69367, 134826, 138734, 202239, 208101, 404478, 416202, 624303, 1248606, 1595441, 3190882, 4786323, 9572646, 14358969, 28717938]

約数ペア:

[(1, 28717938), (2, 14358969), (3, 9572646), (6, 4786323), (9, 3190882), (18, 1595441), (23, 1248606), (46, 624303), (69, 416202), (71, 404478), (138, 208101), (142, 202239), (207, 138734), (213, 134826), (414, 69367), (426, 67413), (639, 44942), (977, 29394), (1278, 22471), (1633, 17586), (1954, 14697), (2931, 9798), (3266, 8793), (4899, 5862)]