16991705

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 3917095

約数列:

[1, 5, 59, 239, 241, 295, 1195, 1205, 14101, 14219, 57599, 70505, 71095, 287995, 3398341, 16991705]

約数ペア:

[(1, 16991705), (5, 3398341), (59, 287995), (239, 71095), (241, 70505), (295, 57599), (1195, 14219), (1205, 14101)]