64870351

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2263

約数の個数: 32

約数和(自身を含む): 89026560

約数和(自身を除く): 24156209

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 1547, 1729, 2207, 2261, 4199, 15449, 28691, 29393, 37519, 41933, 200837, 262633, 293531, 487747, 545129, 712861, 3414229, 3815903, 4990027, 9267193, 64870351]

約数ペア:

[(1, 64870351), (7, 9267193), (13, 4990027), (17, 3815903), (19, 3414229), (91, 712861), (119, 545129), (133, 487747), (221, 293531), (247, 262633), (323, 200837), (1547, 41933), (1729, 37519), (2207, 29393), (2261, 28691), (4199, 15449)]