127555978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199931}}^1$

素因数の和:199973

約数の個数: 16

約数和(自身を含む): 215926560

約数和(自身を除く): 88370582

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 199931, 399862, 2199241, 4398482, 5797999, 11595998, 63777989, 127555978]

約数ペア:

[(1, 127555978), (2, 63777989), (11, 11595998), (22, 5797999), (29, 4398482), (58, 2199241), (319, 399862), (638, 199931)]