81518652

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 215364240

約数和(自身を除く): 133845588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 113, 116, 174, 226, 261, 339, 348, 452, 522, 678, 691, 1017, 1044, 1356, 1382, 2034, 2073, 2764, 3277, 4068, 4146, 6219, 6554, 8292, 9831, 12438, 13108, 19662, 20039, 24876, 29493, 39324, 40078, 58986, 60117, 78083, 80156, 117972, 120234, 156166, 180351, 234249, 240468, 312332, 360702, 468498, 702747, 721404, 936996, 1405494, 2264407, 2810988, 4528814, 6793221, 9057628, 13586442, 20379663, 27172884, 40759326, 81518652]

約数ペア:

[(1, 81518652), (2, 40759326), (3, 27172884), (4, 20379663), (6, 13586442), (9, 9057628), (12, 6793221), (18, 4528814), (29, 2810988), (36, 2264407), (58, 1405494), (87, 936996), (113, 721404), (116, 702747), (174, 468498), (226, 360702), (261, 312332), (339, 240468), (348, 234249), (452, 180351), (522, 156166), (678, 120234), (691, 117972), (1017, 80156), (1044, 78083), (1356, 60117), (1382, 58986), (2034, 40078), (2073, 39324), (2764, 29493), (3277, 24876), (4068, 20039), (4146, 19662), (6219, 13108), (6554, 12438), (8292, 9831)]