31465772

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 60411960

約数和(自身を除く): 28946188

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 338, 356, 523, 676, 1046, 1157, 2092, 2314, 4628, 6799, 13598, 15041, 27196, 30082, 46547, 60164, 88387, 93094, 176774, 186188, 353548, 605111, 1210222, 2420444, 7866443, 15732886, 31465772]

約数ペア:

[(1, 31465772), (2, 15732886), (4, 7866443), (13, 2420444), (26, 1210222), (52, 605111), (89, 353548), (169, 186188), (178, 176774), (338, 93094), (356, 88387), (523, 60164), (676, 46547), (1046, 30082), (1157, 27196), (2092, 15041), (2314, 13598), (4628, 6799)]