64827715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 87635520

約数和(自身を除く): 22807805

約数列:

[1, 5, 17, 19, 85, 95, 137, 293, 323, 685, 1465, 1615, 2329, 2603, 4981, 5567, 11645, 13015, 24905, 27835, 40141, 44251, 94639, 200705, 221255, 473195, 682397, 762679, 3411985, 3813395, 12965543, 64827715]

約数ペア:

[(1, 64827715), (5, 12965543), (17, 3813395), (19, 3411985), (85, 762679), (95, 682397), (137, 473195), (293, 221255), (323, 200705), (685, 94639), (1465, 44251), (1615, 40141), (2329, 27835), (2603, 24905), (4981, 13015), (5567, 11645)]