28756519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 33223680

約数和(自身を除く): 4467161

約数列:

[1, 11, 19, 209, 223, 617, 2453, 4237, 6787, 11723, 46607, 128953, 137591, 1513501, 2614229, 28756519]

約数ペア:

[(1, 28756519), (11, 2614229), (19, 1513501), (209, 137591), (223, 128953), (617, 46607), (2453, 11723), (4237, 6787)]