1277421938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{107509}}^1$

素因数の和:107981

約数の個数: 16

約数和(自身を含む): 2068062360

約数和(自身を除く): 790640422

約数列:

[1, 2, 13, 26, 457, 914, 5941, 11882, 107509, 215018, 1397617, 2795234, 49131613, 98263226, 638710969, 1277421938]

約数ペア:

[(1, 1277421938), (2, 638710969), (13, 98263226), (26, 49131613), (457, 2795234), (914, 1397617), (5941, 215018), (11882, 107509)]