217496914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{41177}}^1$

素因数の和:41337

約数の個数: 16

約数和(自身を含む): 345895200

約数和(自身を除く): 128398286

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 41177, 82354, 782363, 1564726, 5723603, 11447206, 108748457, 217496914]

約数ペア:

[(1, 217496914), (2, 108748457), (19, 11447206), (38, 5723603), (139, 1564726), (278, 782363), (2641, 82354), (5282, 41177)]