278328131

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{21017}}^1$

素因数の和:21094

約数の個数: 16

約数和(自身を含む): 317792160

約数和(自身を除く): 39464029

約数列:

[1, 17, 19, 41, 323, 697, 779, 13243, 21017, 357289, 399323, 861697, 6788491, 14648849, 16372243, 278328131]

約数ペア:

[(1, 278328131), (17, 16372243), (19, 14648849), (41, 6788491), (323, 861697), (697, 399323), (779, 357289), (13243, 21017)]