81504008

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 156008160

約数和(自身を除く): 74504152

約数列:

[1, 2, 4, 8, 83, 131, 166, 262, 332, 524, 664, 937, 1048, 1874, 3748, 7496, 10873, 21746, 43492, 77771, 86984, 122747, 155542, 245494, 311084, 490988, 622168, 981976, 10188001, 20376002, 40752004, 81504008]

約数ペア:

[(1, 81504008), (2, 40752004), (4, 20376002), (8, 10188001), (83, 981976), (131, 622168), (166, 490988), (262, 311084), (332, 245494), (524, 155542), (664, 122747), (937, 86984), (1048, 77771), (1874, 43492), (3748, 21746), (7496, 10873)]