81994465

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{57139}}^1$

素因数の和:57192

約数の個数: 16

約数和(自身を含む): 115194240

約数和(自身を除く): 33199775

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 57139, 285695, 399973, 1999865, 2342699, 11713495, 16398893, 81994465]

約数ペア:

[(1, 81994465), (5, 16398893), (7, 11713495), (35, 2342699), (41, 1999865), (205, 399973), (287, 285695), (1435, 57139)]