25455404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{997}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 48119568

約数和(自身を除く): 22664164

約数列:

[1, 2, 4, 13, 26, 52, 491, 982, 997, 1964, 1994, 3988, 6383, 12766, 12961, 25532, 25922, 51844, 489527, 979054, 1958108, 6363851, 12727702, 25455404]

約数ペア:

[(1, 25455404), (2, 12727702), (4, 6363851), (13, 1958108), (26, 979054), (52, 489527), (491, 51844), (982, 25922), (997, 25532), (1964, 12961), (1994, 12766), (3988, 6383)]