2155978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 24

約数和(自身を含む): 3638880

約数和(自身を除く): 1482902

約数列:

[1, 2, 11, 22, 59, 118, 121, 151, 242, 302, 649, 1298, 1661, 3322, 7139, 8909, 14278, 17818, 18271, 36542, 97999, 195998, 1077989, 2155978]

約数ペア:

[(1, 2155978), (2, 1077989), (11, 195998), (22, 97999), (59, 36542), (118, 18271), (121, 17818), (151, 14278), (242, 8909), (302, 7139), (649, 3322), (1298, 1661)]