199416564

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 519966720

約数和(自身を除く): 320550156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 122, 142, 183, 213, 244, 284, 366, 426, 549, 639, 732, 852, 1098, 1278, 1279, 2196, 2556, 2558, 3837, 4331, 5116, 7674, 8662, 11511, 12993, 15348, 17324, 23022, 25986, 38979, 46044, 51972, 77958, 78019, 90809, 155916, 156038, 181618, 234057, 272427, 312076, 363236, 468114, 544854, 702171, 817281, 936228, 1089708, 1404342, 1634562, 2808684, 3269124, 5539349, 11078698, 16618047, 22157396, 33236094, 49854141, 66472188, 99708282, 199416564]

約数ペア:

[(1, 199416564), (2, 99708282), (3, 66472188), (4, 49854141), (6, 33236094), (9, 22157396), (12, 16618047), (18, 11078698), (36, 5539349), (61, 3269124), (71, 2808684), (122, 1634562), (142, 1404342), (183, 1089708), (213, 936228), (244, 817281), (284, 702171), (366, 544854), (426, 468114), (549, 363236), (639, 312076), (732, 272427), (852, 234057), (1098, 181618), (1278, 156038), (1279, 155916), (2196, 90809), (2556, 78019), (2558, 77958), (3837, 51972), (4331, 46044), (5116, 38979), (7674, 25986), (8662, 23022), (11511, 17324), (12993, 15348)]