4278967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 5428224

約数和(自身を除く): 1149257

約数列:

[1, 7, 11, 61, 77, 427, 671, 911, 4697, 6377, 10021, 55571, 70147, 388997, 611281, 4278967]

約数ペア:

[(1, 4278967), (7, 611281), (11, 388997), (61, 70147), (77, 55571), (427, 10021), (671, 6377), (911, 4697)]