2788045678838

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{140297}}^1$

素因数の和:140825

約数の個数: 64

約数和(自身を含む): 4963855478400

約数和(自身を除く): 2175809799562

約数列:

[1, 2, 7, 14, 41, 82, 89, 178, 287, 389, 574, 623, 778, 1246, 2723, 3649, 5446, 7298, 15949, 25543, 31898, 34621, 51086, 69242, 111643, 140297, 223286, 242347, 280594, 484694, 982079, 1419461, 1964158, 2838922, 5752177, 9936227, 11504354, 12486433, 19872454, 24972866, 40265239, 54575533, 80530478, 87405031, 109151066, 174810062, 382028731, 511943753, 764057462, 1023887506, 2237596853, 3583606271, 4475193706, 4857222437, 7167212542, 9714444874, 15663177971, 31326355942, 34000557059, 68001114118, 199146119917, 398292239834, 1394022839419, 2788045678838]

約数ペア:

[(1, 2788045678838), (2, 1394022839419), (7, 398292239834), (14, 199146119917), (41, 68001114118), (82, 34000557059), (89, 31326355942), (178, 15663177971), (287, 9714444874), (389, 7167212542), (574, 4857222437), (623, 4475193706), (778, 3583606271), (1246, 2237596853), (2723, 1023887506), (3649, 764057462), (5446, 511943753), (7298, 382028731), (15949, 174810062), (25543, 109151066), (31898, 87405031), (34621, 80530478), (51086, 54575533), (69242, 40265239), (111643, 24972866), (140297, 19872454), (223286, 12486433), (242347, 11504354), (280594, 9936227), (484694, 5752177), (982079, 2838922), (1419461, 1964158)]