201312139

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1433}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 243252288

約数和(自身を除く): 41940149

約数列:

[1, 7, 47, 49, 61, 329, 427, 1433, 2303, 2867, 2989, 10031, 20069, 67351, 70217, 87413, 140483, 471457, 611891, 3300199, 4108411, 4283237, 28758877, 201312139]

約数ペア:

[(1, 201312139), (7, 28758877), (47, 4283237), (49, 4108411), (61, 3300199), (329, 611891), (427, 471457), (1433, 140483), (2303, 87413), (2867, 70217), (2989, 67351), (10031, 20069)]