1405072

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:786

約数の個数: 20

約数和(自身を含む): 2746476

約数和(自身を除く): 1341404

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 641, 1096, 1282, 2192, 2564, 5128, 10256, 87817, 175634, 351268, 702536, 1405072]

約数ペア:

[(1, 1405072), (2, 702536), (4, 351268), (8, 175634), (16, 87817), (137, 10256), (274, 5128), (548, 2564), (641, 2192), (1096, 1282)]