257487858

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1851

約数の個数: 48

約数和(自身を含む): 570318840

約数和(自身を除く): 312830982

約数列:

[1, 2, 3, 6, 9, 18, 89, 97, 178, 194, 267, 291, 534, 582, 801, 873, 1602, 1657, 1746, 3314, 4971, 8633, 9942, 14913, 17266, 25899, 29826, 51798, 77697, 147473, 155394, 160729, 294946, 321458, 442419, 482187, 884838, 964374, 1327257, 1446561, 2654514, 2893122, 14304881, 28609762, 42914643, 85829286, 128743929, 257487858]

約数ペア:

[(1, 257487858), (2, 128743929), (3, 85829286), (6, 42914643), (9, 28609762), (18, 14304881), (89, 2893122), (97, 2654514), (178, 1446561), (194, 1327257), (267, 964374), (291, 884838), (534, 482187), (582, 442419), (801, 321458), (873, 294946), (1602, 160729), (1657, 155394), (1746, 147473), (3314, 77697), (4971, 51798), (8633, 29826), (9942, 25899), (14913, 17266)]