16878145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2707}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 21447360

約数和(自身を除く): 4569215

約数列:

[1, 5, 29, 43, 145, 215, 1247, 2707, 6235, 13535, 78503, 116401, 392515, 582005, 3375629, 16878145]

約数ペア:

[(1, 16878145), (5, 3375629), (29, 582005), (43, 392515), (145, 116401), (215, 78503), (1247, 13535), (2707, 6235)]