278778887

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{2741}}^1$

素因数の和:2914

約数の個数: 16

約数和(自身を含む): 302058720

約数和(自身を除く): 23279833

約数列:

[1, 19, 53, 101, 1007, 1919, 2741, 5353, 52079, 101707, 145273, 276841, 2760187, 5259979, 14672573, 278778887]

約数ペア:

[(1, 278778887), (19, 14672573), (53, 5259979), (101, 2760187), (1007, 276841), (1919, 145273), (2741, 101707), (5353, 52079)]