31781906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53147}}^1$

素因数の和:53185

約数の個数: 16

約数和(自身を含む): 53573184

約数和(自身を除く): 21791278

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 53147, 106294, 690911, 1222381, 1381822, 2444762, 15890953, 31781906]

約数ペア:

[(1, 31781906), (2, 15890953), (13, 2444762), (23, 1381822), (26, 1222381), (46, 690911), (299, 106294), (598, 53147)]