287705341

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{61253}}^1$

素因数の和:61332

約数の個数: 16

約数和(自身を含む): 364583808

約数和(自身を除く): 76878467

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 61253, 428771, 673783, 3736433, 4716481, 26155031, 41100763, 287705341]

約数ペア:

[(1, 287705341), (7, 41100763), (11, 26155031), (61, 4716481), (77, 3736433), (427, 673783), (671, 428771), (4697, 61253)]