64498928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{310091}}^1$

素因数の和:310112

約数の個数: 20

約数和(自身を含む): 134579928

約数和(自身を除く): 70081000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 310091, 620182, 1240364, 2480728, 4031183, 4961456, 8062366, 16124732, 32249464, 64498928]

約数ペア:

[(1, 64498928), (2, 32249464), (4, 16124732), (8, 8062366), (13, 4961456), (16, 4031183), (26, 2480728), (52, 1240364), (104, 620182), (208, 310091)]