64257518

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 113129136

約数和(自身を除く): 48871618

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 169, 211, 221, 338, 422, 442, 689, 901, 1378, 1802, 2743, 2873, 3587, 5486, 5746, 7174, 8957, 11183, 11713, 17914, 22366, 23426, 35659, 46631, 71318, 93262, 145379, 152269, 190111, 290758, 304538, 380222, 606203, 1212406, 1889927, 2471443, 3779854, 4942886, 32128759, 64257518]

約数ペア:

[(1, 64257518), (2, 32128759), (13, 4942886), (17, 3779854), (26, 2471443), (34, 1889927), (53, 1212406), (106, 606203), (169, 380222), (211, 304538), (221, 290758), (338, 190111), (422, 152269), (442, 145379), (689, 93262), (901, 71318), (1378, 46631), (1802, 35659), (2743, 23426), (2873, 22366), (3587, 17914), (5486, 11713), (5746, 11183), (7174, 8957)]