890398324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{54787}}^1$

素因数の和:55047

約数の個数: 24

約数和(自身を含む): 1656789120

約数和(自身を除く): 766390796

約数列:

[1, 2, 4, 17, 34, 68, 239, 478, 956, 4063, 8126, 16252, 54787, 109574, 219148, 931379, 1862758, 3725516, 13094093, 26188186, 52376372, 222599581, 445199162, 890398324]

約数ペア:

[(1, 890398324), (2, 445199162), (4, 222599581), (17, 52376372), (34, 26188186), (68, 13094093), (239, 3725516), (478, 1862758), (956, 931379), (4063, 219148), (8126, 109574), (16252, 54787)]