28878619

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3319}}^1$

素因数の和:3450

約数の個数: 16

約数和(自身を含む): 36334080

約数和(自身を除く): 7455461

約数列:

[1, 7, 11, 77, 113, 791, 1243, 3319, 8701, 23233, 36509, 255563, 375047, 2625329, 4125517, 28878619]

約数ペア:

[(1, 28878619), (7, 4125517), (11, 2625329), (77, 375047), (113, 255563), (791, 36509), (1243, 23233), (3319, 8701)]