1278049354

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{147139}}^1$

素因数の和:147285

約数の個数: 16

約数和(自身を含む): 1981092960

約数和(自身を除く): 703043606

約数列:

[1, 2, 43, 86, 101, 202, 4343, 8686, 147139, 294278, 6326977, 12653954, 14861039, 29722078, 639024677, 1278049354]

約数ペア:

[(1, 1278049354), (2, 639024677), (43, 29722078), (86, 14861039), (101, 12653954), (202, 6326977), (4343, 294278), (8686, 147139)]