978180112

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{51679}}^1$

素因数の和:51720

約数の個数: 60

約数和(自身を含む): 2345445120

約数和(自身を除く): 1367265008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 51679, 103358, 206716, 361753, 413432, 671827, 723506, 826864, 1343654, 1447012, 2687308, 2894024, 4702789, 5374616, 5788048, 8733751, 9405578, 10749232, 17467502, 18811156, 34935004, 37622312, 61136257, 69870008, 75244624, 122272514, 139740016, 244545028, 489090056, 978180112]

約数ペア:

[(1, 978180112), (2, 489090056), (4, 244545028), (7, 139740016), (8, 122272514), (13, 75244624), (14, 69870008), (16, 61136257), (26, 37622312), (28, 34935004), (52, 18811156), (56, 17467502), (91, 10749232), (104, 9405578), (112, 8733751), (169, 5788048), (182, 5374616), (208, 4702789), (338, 2894024), (364, 2687308), (676, 1447012), (728, 1343654), (1183, 826864), (1352, 723506), (1456, 671827), (2366, 413432), (2704, 361753), (4732, 206716), (9464, 103358), (18928, 51679)]