81121664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{48751}}^1$

素因数の和:48778

約数の個数: 32

約数和(自身を含む): 174044640

約数和(自身を除く): 92922976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 48751, 97502, 195004, 390008, 633763, 780016, 1267526, 1560032, 2535052, 3120064, 5070104, 6240128, 10140208, 20280416, 40560832, 81121664]

約数ペア:

[(1, 81121664), (2, 40560832), (4, 20280416), (8, 10140208), (13, 6240128), (16, 5070104), (26, 3120064), (32, 2535052), (52, 1560032), (64, 1267526), (104, 780016), (128, 633763), (208, 390008), (416, 195004), (832, 97502), (1664, 48751)]