178896172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25867}}^1$

素因数の和:25910

約数の個数: 48

約数和(自身を含む): 405610240

約数和(自身を除く): 226714068

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 25867, 51734, 103468, 181069, 336271, 362138, 491473, 672542, 724276, 982946, 1345084, 1965892, 2353897, 3440311, 4707794, 6389149, 6880622, 9415588, 12778298, 13761244, 25556596, 44724043, 89448086, 178896172]

約数ペア:

[(1, 178896172), (2, 89448086), (4, 44724043), (7, 25556596), (13, 13761244), (14, 12778298), (19, 9415588), (26, 6880622), (28, 6389149), (38, 4707794), (52, 3440311), (76, 2353897), (91, 1965892), (133, 1345084), (182, 982946), (247, 724276), (266, 672542), (364, 491473), (494, 362138), (532, 336271), (988, 181069), (1729, 103468), (3458, 51734), (6916, 25867)]