215247745

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{13291}}^1$

素因数の和:13416

約数の個数: 16

約数和(自身を含む): 267966720

約数和(自身を除く): 52718975

約数列:

[1, 5, 41, 79, 205, 395, 3239, 13291, 16195, 66455, 544931, 1049989, 2724655, 5249945, 43049549, 215247745]

約数ペア:

[(1, 215247745), (5, 43049549), (41, 5249945), (79, 2724655), (205, 1049989), (395, 544931), (3239, 66455), (13291, 16195)]