388220308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{338171}}^1$

素因数の和:338223

約数の個数: 24

約数和(自身を含む): 795380544

約数和(自身を除く): 407160236

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 338171, 676342, 1352684, 2367197, 4734394, 9468788, 13865011, 27730022, 55460044, 97055077, 194110154, 388220308]

約数ペア:

[(1, 388220308), (2, 194110154), (4, 97055077), (7, 55460044), (14, 27730022), (28, 13865011), (41, 9468788), (82, 4734394), (164, 2367197), (287, 1352684), (574, 676342), (1148, 338171)]