864496

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 20

約数和(自身を含む): 1700784

約数和(自身を除く): 836288

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 761, 1136, 1522, 3044, 6088, 12176, 54031, 108062, 216124, 432248, 864496]

約数ペア:

[(1, 864496), (2, 432248), (4, 216124), (8, 108062), (16, 54031), (71, 12176), (142, 6088), (284, 3044), (568, 1522), (761, 1136)]