1990609917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 3038238720

約数和(自身を除く): 1047628803

約数列:

[1, 3, 17, 19, 51, 57, 73, 107, 219, 263, 321, 323, 789, 969, 1241, 1387, 1819, 2033, 3723, 4161, 4471, 4997, 5457, 6099, 7811, 13413, 14991, 19199, 23433, 23579, 28141, 34561, 57597, 70737, 84423, 84949, 103683, 132787, 148409, 254847, 326383, 364781, 398361, 445227, 478397, 534679, 979149, 1094343, 1435191, 1604037, 2054293, 2522953, 6162879, 6201277, 7568859, 9089543, 18603831, 27268629, 34922981, 39031567, 104768943, 117094701, 663536639, 1990609917]

約数ペア:

[(1, 1990609917), (3, 663536639), (17, 117094701), (19, 104768943), (51, 39031567), (57, 34922981), (73, 27268629), (107, 18603831), (219, 9089543), (263, 7568859), (321, 6201277), (323, 6162879), (789, 2522953), (969, 2054293), (1241, 1604037), (1387, 1435191), (1819, 1094343), (2033, 979149), (3723, 534679), (4161, 478397), (4471, 445227), (4997, 398361), (5457, 364781), (6099, 326383), (7811, 254847), (13413, 148409), (14991, 132787), (19199, 103683), (23433, 84949), (23579, 84423), (28141, 70737), (34561, 57597)]