205128978

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^2$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 440572320

約数和(自身を除く): 235443342

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 157, 219, 314, 438, 471, 942, 1387, 2774, 2983, 4161, 5966, 8322, 8949, 11461, 17898, 22922, 24649, 34383, 49298, 68766, 73947, 147894, 217759, 435518, 468331, 653277, 936662, 1306554, 1404993, 1799377, 2809986, 3598754, 5398131, 10796262, 34188163, 68376326, 102564489, 205128978]

約数ペア:

[(1, 205128978), (2, 102564489), (3, 68376326), (6, 34188163), (19, 10796262), (38, 5398131), (57, 3598754), (73, 2809986), (114, 1799377), (146, 1404993), (157, 1306554), (219, 936662), (314, 653277), (438, 468331), (471, 435518), (942, 217759), (1387, 147894), (2774, 73947), (2983, 68766), (4161, 49298), (5966, 34383), (8322, 24649), (8949, 22922), (11461, 17898)]