208449988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{161339}}^1$

素因数の和:161379

約数の個数: 24

約数和(自身を含む): 406576800

約数和(自身を除く): 198126812

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 161339, 322678, 645356, 2742763, 3065441, 5485526, 6130882, 10971052, 12261764, 52112497, 104224994, 208449988]

約数ペア:

[(1, 208449988), (2, 104224994), (4, 52112497), (17, 12261764), (19, 10971052), (34, 6130882), (38, 5485526), (68, 3065441), (76, 2742763), (323, 645356), (646, 322678), (1292, 161339)]