648088

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 1416960

約数和(自身を除く): 768872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 163, 284, 326, 497, 568, 652, 994, 1141, 1304, 1988, 2282, 3976, 4564, 9128, 11573, 23146, 46292, 81011, 92584, 162022, 324044, 648088]

約数ペア:

[(1, 648088), (2, 324044), (4, 162022), (7, 92584), (8, 81011), (14, 46292), (28, 23146), (56, 11573), (71, 9128), (142, 4564), (163, 3976), (284, 2282), (326, 1988), (497, 1304), (568, 1141), (652, 994)]