28244515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{761}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 36612576

約数和(自身を除く): 8368061

約数列:

[1, 5, 13, 65, 571, 761, 2855, 3805, 7423, 9893, 37115, 49465, 434531, 2172655, 5648903, 28244515]

約数ペア:

[(1, 28244515), (5, 5648903), (13, 2172655), (65, 434531), (571, 49465), (761, 37115), (2855, 9893), (3805, 7423)]