138718188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{550469}}^1$

素因数の和:550486

約数の個数: 36

約数和(自身を含む): 400742160

約数和(自身を除く): 262023972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 550469, 1100938, 1651407, 2201876, 3302814, 3853283, 4954221, 6605628, 7706566, 9908442, 11559849, 15413132, 19816884, 23119698, 34679547, 46239396, 69359094, 138718188]

約数ペア:

[(1, 138718188), (2, 69359094), (3, 46239396), (4, 34679547), (6, 23119698), (7, 19816884), (9, 15413132), (12, 11559849), (14, 9908442), (18, 7706566), (21, 6605628), (28, 4954221), (36, 3853283), (42, 3302814), (63, 2201876), (84, 1651407), (126, 1100938), (252, 550469)]