64940993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1613}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 74114880

約数和(自身を除く): 9173887

約数列:

[1, 13, 19, 163, 247, 1613, 2119, 3097, 20969, 30647, 40261, 262919, 398411, 3417947, 4995461, 64940993]

約数ペア:

[(1, 64940993), (13, 4995461), (19, 3417947), (163, 398411), (247, 262919), (1613, 40261), (2119, 30647), (3097, 20969)]