64475728

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1033}}^1$

素因数の和:1171

約数の個数: 40

約数和(自身を含む): 129241728

約数和(自身を除く): 64766000

約数列:

[1, 2, 4, 8, 16, 47, 83, 94, 166, 188, 332, 376, 664, 752, 1033, 1328, 2066, 3901, 4132, 7802, 8264, 15604, 16528, 31208, 48551, 62416, 85739, 97102, 171478, 194204, 342956, 388408, 685912, 776816, 1371824, 4029733, 8059466, 16118932, 32237864, 64475728]

約数ペア:

[(1, 64475728), (2, 32237864), (4, 16118932), (8, 8059466), (16, 4029733), (47, 1371824), (83, 776816), (94, 685912), (166, 388408), (188, 342956), (332, 194204), (376, 171478), (664, 97102), (752, 85739), (1033, 62416), (1328, 48551), (2066, 31208), (3901, 16528), (4132, 15604), (7802, 8264)]