212912138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 342014400

約数和(自身を除く): 129102262

約数列:

[1, 2, 19, 38, 139, 173, 233, 278, 346, 466, 2641, 3287, 4427, 5282, 6574, 8854, 24047, 32387, 40309, 48094, 64774, 80618, 456893, 615353, 765871, 913786, 1230706, 1531742, 5602951, 11205902, 106456069, 212912138]

約数ペア:

[(1, 212912138), (2, 106456069), (19, 11205902), (38, 5602951), (139, 1531742), (173, 1230706), (233, 913786), (278, 765871), (346, 615353), (466, 456893), (2641, 80618), (3287, 64774), (4427, 48094), (5282, 40309), (6574, 32387), (8854, 24047)]