1981735

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 2786112

約数和(自身を除く): 804377

約数列:

[1, 5, 7, 35, 41, 205, 287, 1381, 1435, 6905, 9667, 48335, 56621, 283105, 396347, 1981735]

約数ペア:

[(1, 1981735), (5, 396347), (7, 283105), (35, 56621), (41, 48335), (205, 9667), (287, 6905), (1381, 1435)]