257898241

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{557}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 276732288

約数和(自身を除く): 18834047

約数列:

[1, 23, 41, 491, 557, 943, 11293, 12811, 20131, 22837, 273487, 463013, 525251, 6290201, 11212967, 257898241]

約数ペア:

[(1, 257898241), (23, 11212967), (41, 6290201), (491, 525251), (557, 463013), (943, 273487), (11293, 22837), (12811, 20131)]