531251371

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 632723712

約数和(自身を除く): 101472341

約数列:

[1, 7, 31, 151, 217, 523, 961, 1057, 3661, 4681, 6727, 16213, 32767, 78973, 113491, 145111, 502603, 552811, 1015777, 2448163, 3518221, 17137141, 75893053, 531251371]

約数ペア:

[(1, 531251371), (7, 75893053), (31, 17137141), (151, 3518221), (217, 2448163), (523, 1015777), (961, 552811), (1057, 502603), (3661, 145111), (4681, 113491), (6727, 78973), (16213, 32767)]