28003105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{233}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 37208808

約数和(自身を除く): 9205703

約数列:

[1, 5, 13, 43, 65, 215, 233, 559, 1165, 1849, 2795, 3029, 9245, 10019, 15145, 24037, 50095, 120185, 130247, 430817, 651235, 2154085, 5600621, 28003105]

約数ペア:

[(1, 28003105), (5, 5600621), (13, 2154085), (43, 651235), (65, 430817), (215, 130247), (233, 120185), (559, 50095), (1165, 24037), (1849, 15145), (2795, 10019), (3029, 9245)]