16912025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3061}}^1$

素因数の和:3101

約数の個数: 24

約数和(自身を含む): 23920344

約数和(自身を除く): 7008319

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3061, 5525, 15305, 39793, 52037, 76525, 198965, 260185, 676481, 994825, 1300925, 3382405, 16912025]

約数ペア:

[(1, 16912025), (5, 3382405), (13, 1300925), (17, 994825), (25, 676481), (65, 260185), (85, 198965), (221, 76525), (325, 52037), (425, 39793), (1105, 15305), (3061, 5525)]