65444816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{215279}}^1$

素因数の和:215306

約数の個数: 20

約数和(自身を含む): 133473600

約数和(自身を除く): 68028784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 215279, 430558, 861116, 1722232, 3444464, 4090301, 8180602, 16361204, 32722408, 65444816]

約数ペア:

[(1, 65444816), (2, 32722408), (4, 16361204), (8, 8180602), (16, 4090301), (19, 3444464), (38, 1722232), (76, 861116), (152, 430558), (304, 215279)]