64626908

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{39503}}^1$

素因数の和:39916

約数の個数: 12

約数和(自身を含む): 113376480

約数和(自身を除く): 48749572

約数列:

[1, 2, 4, 409, 818, 1636, 39503, 79006, 158012, 16156727, 32313454, 64626908]

約数ペア:

[(1, 64626908), (2, 32313454), (4, 16156727), (409, 158012), (818, 79006), (1636, 39503)]