25115428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:784

約数の個数: 36

約数和(自身を含む): 48560148

約数和(自身を除く): 23444720

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 676, 689, 701, 1378, 1402, 2756, 2804, 8957, 9113, 17914, 18226, 35828, 36452, 37153, 74306, 118469, 148612, 236938, 473876, 482989, 965978, 1931956, 6278857, 12557714, 25115428]

約数ペア:

[(1, 25115428), (2, 12557714), (4, 6278857), (13, 1931956), (26, 965978), (52, 482989), (53, 473876), (106, 236938), (169, 148612), (212, 118469), (338, 74306), (676, 37153), (689, 36452), (701, 35828), (1378, 18226), (1402, 17914), (2756, 9113), (2804, 8957)]