205621388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{236891}}^1$

素因数の和:236933

約数の個数: 24

約数和(自身を含む): 424510464

約数和(自身を除く): 218889076

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 236891, 473782, 947564, 1658237, 3316474, 6632948, 7343621, 14687242, 29374484, 51405347, 102810694, 205621388]

約数ペア:

[(1, 205621388), (2, 102810694), (4, 51405347), (7, 29374484), (14, 14687242), (28, 7343621), (31, 6632948), (62, 3316474), (124, 1658237), (217, 947564), (434, 473782), (868, 236891)]