2150878064

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{209719}}^1$

素因数の和:210368

約数の個数: 20

約数和(自身を含む): 4173847440

約数和(自身を除く): 2022969376

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 209719, 419438, 838876, 1677752, 3355504, 134429879, 268859758, 537719516, 1075439032, 2150878064]

約数ペア:

[(1, 2150878064), (2, 1075439032), (4, 537719516), (8, 268859758), (16, 134429879), (641, 3355504), (1282, 1677752), (2564, 838876), (5128, 419438), (10256, 209719)]