25284763

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 7685477

約数列:

[1, 7, 17, 19, 53, 119, 133, 211, 323, 371, 901, 1007, 1477, 2261, 3587, 4009, 6307, 7049, 11183, 17119, 25109, 28063, 68153, 78281, 119833, 190111, 212477, 477071, 1330777, 1487339, 3612109, 25284763]

約数ペア:

[(1, 25284763), (7, 3612109), (17, 1487339), (19, 1330777), (53, 477071), (119, 212477), (133, 190111), (211, 119833), (323, 78281), (371, 68153), (901, 28063), (1007, 25109), (1477, 17119), (2261, 11183), (3587, 7049), (4009, 6307)]