638102018

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1\times {\mathrm{4339}}^1$

素因数の和:4526

約数の個数: 24

約数和(自身を含む): 1008008400

約数和(自身を除く): 369906382

約数列:

[1, 2, 23, 46, 139, 278, 529, 1058, 3197, 4339, 6394, 8678, 73531, 99797, 147062, 199594, 603121, 1206242, 2295331, 4590662, 13871783, 27743566, 319051009, 638102018]

約数ペア:

[(1, 638102018), (2, 319051009), (23, 27743566), (46, 13871783), (139, 4590662), (278, 2295331), (529, 1206242), (1058, 603121), (3197, 199594), (4339, 147062), (6394, 99797), (8678, 73531)]