64476139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 84672000

約数和(自身を除く): 20195861

約数列:

[1, 7, 13, 19, 89, 91, 133, 247, 419, 623, 1157, 1691, 1729, 2933, 5447, 7961, 8099, 11837, 21983, 37291, 38129, 55727, 103493, 153881, 261037, 484783, 708529, 724451, 3393481, 4959703, 9210877, 64476139]

約数ペア:

[(1, 64476139), (7, 9210877), (13, 4959703), (19, 3393481), (89, 724451), (91, 708529), (133, 484783), (247, 261037), (419, 153881), (623, 103493), (1157, 55727), (1691, 38129), (1729, 37291), (2933, 21983), (5447, 11837), (7961, 8099)]