31816954

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 20

約数和(自身を含む): 51795234

約数和(自身を除く): 19978280

約数列:

[1, 2, 13, 26, 169, 338, 557, 1114, 2197, 4394, 7241, 14482, 28561, 57122, 94133, 188266, 1223729, 2447458, 15908477, 31816954]

約数ペア:

[(1, 31816954), (2, 15908477), (13, 2447458), (26, 1223729), (169, 188266), (338, 94133), (557, 57122), (1114, 28561), (2197, 14482), (4394, 7241)]