2889509

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 3440256

約数和(自身を除く): 550747

約数列:

[1, 7, 61, 67, 101, 427, 469, 707, 4087, 6161, 6767, 28609, 43127, 47369, 412787, 2889509]

約数ペア:

[(1, 2889509), (7, 412787), (61, 47369), (67, 43127), (101, 28609), (427, 6767), (469, 6161), (707, 4087)]