123257142

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4937}}^1$

素因数の和:5037

約数の個数: 48

約数和(自身を含む): 285021360

約数和(自身を除く): 161764218

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 1314, 1387, 2774, 4161, 4937, 8322, 9874, 12483, 14811, 24966, 29622, 44433, 88866, 93803, 187606, 281409, 360401, 562818, 720802, 844227, 1081203, 1688454, 2162406, 3243609, 6487218, 6847619, 13695238, 20542857, 41085714, 61628571, 123257142]

約数ペア:

[(1, 123257142), (2, 61628571), (3, 41085714), (6, 20542857), (9, 13695238), (18, 6847619), (19, 6487218), (38, 3243609), (57, 2162406), (73, 1688454), (114, 1081203), (146, 844227), (171, 720802), (219, 562818), (342, 360401), (438, 281409), (657, 187606), (1314, 93803), (1387, 88866), (2774, 44433), (4161, 29622), (4937, 24966), (8322, 14811), (9874, 12483)]