978025532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1039

約数の個数: 72

約数和(自身を含む): 2002170240

約数和(自身を除く): 1024144708

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 67, 76, 134, 209, 268, 361, 418, 722, 737, 836, 919, 1273, 1444, 1474, 1838, 2546, 2948, 3676, 3971, 5092, 7942, 10109, 14003, 15884, 17461, 20218, 24187, 28006, 34922, 40436, 48374, 56012, 61573, 69844, 96748, 123146, 192071, 246292, 266057, 331759, 384142, 532114, 663518, 677303, 768284, 1064228, 1169887, 1327036, 1354606, 2339774, 2709212, 3649349, 4679548, 7298698, 12868757, 14597396, 22227853, 25737514, 44455706, 51475028, 88911412, 244506383, 489012766, 978025532]

約数ペア:

[(1, 978025532), (2, 489012766), (4, 244506383), (11, 88911412), (19, 51475028), (22, 44455706), (38, 25737514), (44, 22227853), (67, 14597396), (76, 12868757), (134, 7298698), (209, 4679548), (268, 3649349), (361, 2709212), (418, 2339774), (722, 1354606), (737, 1327036), (836, 1169887), (919, 1064228), (1273, 768284), (1444, 677303), (1474, 663518), (1838, 532114), (2546, 384142), (2948, 331759), (3676, 266057), (3971, 246292), (5092, 192071), (7942, 123146), (10109, 96748), (14003, 69844), (15884, 61573), (17461, 56012), (20218, 48374), (24187, 40436), (28006, 34922)]