2740997

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 3392640

約数和(自身を除く): 651643

約数列:

[1, 7, 19, 37, 133, 259, 557, 703, 3899, 4921, 10583, 20609, 74081, 144263, 391571, 2740997]

約数ペア:

[(1, 2740997), (7, 391571), (19, 144263), (37, 74081), (133, 20609), (259, 10583), (557, 4921), (703, 3899)]