1671728

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:812

約数の個数: 20

約数和(自身を含む): 3263928

約数和(自身を除く): 1592200

約数列:

[1, 2, 4, 8, 16, 163, 326, 641, 652, 1282, 1304, 2564, 2608, 5128, 10256, 104483, 208966, 417932, 835864, 1671728]

約数ペア:

[(1, 1671728), (2, 835864), (4, 417932), (8, 208966), (16, 104483), (163, 10256), (326, 5128), (641, 2608), (652, 2564), (1282, 1304)]