2854495

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 4071168

約数和(自身を除く): 1216673

約数列:

[1, 5, 7, 35, 49, 61, 191, 245, 305, 427, 955, 1337, 2135, 2989, 6685, 9359, 11651, 14945, 46795, 58255, 81557, 407785, 570899, 2854495]

約数ペア:

[(1, 2854495), (5, 570899), (7, 407785), (35, 81557), (49, 58255), (61, 46795), (191, 14945), (245, 11651), (305, 9359), (427, 6685), (955, 2989), (1337, 2135)]