209420744

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{154897}}^1$

素因数の和:154929

約数の個数: 24

約数和(自身を含む): 425195010

約数和(自身を除く): 215774266

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 154897, 309794, 619588, 1239176, 2013661, 4027322, 8054644, 16109288, 26177593, 52355186, 104710372, 209420744]

約数ペア:

[(1, 209420744), (2, 104710372), (4, 52355186), (8, 26177593), (13, 16109288), (26, 8054644), (52, 4027322), (104, 2013661), (169, 1239176), (338, 619588), (676, 309794), (1352, 154897)]