128341278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1657}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 300548976

約数和(自身を除く): 172207698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 331, 662, 993, 1657, 1986, 2979, 3314, 4303, 4971, 5958, 8606, 9942, 12909, 14913, 21541, 25818, 29826, 38727, 43082, 64623, 77454, 129246, 193869, 387738, 548467, 1096934, 1645401, 3290802, 4936203, 7130071, 9872406, 14260142, 21390213, 42780426, 64170639, 128341278]

約数ペア:

[(1, 128341278), (2, 64170639), (3, 42780426), (6, 21390213), (9, 14260142), (13, 9872406), (18, 7130071), (26, 4936203), (39, 3290802), (78, 1645401), (117, 1096934), (234, 548467), (331, 387738), (662, 193869), (993, 129246), (1657, 77454), (1986, 64623), (2979, 43082), (3314, 38727), (4303, 29826), (4971, 25818), (5958, 21541), (8606, 14913), (9942, 12909)]