28939855

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{15601}}^1$

素因数の和:15666

約数の個数: 16

約数和(自身を含む): 40440384

約数和(自身を除く): 11500529

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 15601, 78005, 109207, 546035, 826853, 4134265, 5787971, 28939855]

約数ペア:

[(1, 28939855), (5, 5787971), (7, 4134265), (35, 826853), (53, 546035), (265, 109207), (371, 78005), (1855, 15601)]