64441616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211979}}^1$

素因数の和:212006

約数の個数: 20

約数和(自身を含む): 131427600

約数和(自身を除く): 66985984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211979, 423958, 847916, 1695832, 3391664, 4027601, 8055202, 16110404, 32220808, 64441616]

約数ペア:

[(1, 64441616), (2, 32220808), (4, 16110404), (8, 8055202), (16, 4027601), (19, 3391664), (38, 1695832), (76, 847916), (152, 423958), (304, 211979)]