128320144

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{216757}}^1$

素因数の和:216802

約数の個数: 20

約数和(自身を含む): 255340924

約数和(自身を除く): 127020780

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 216757, 433514, 867028, 1734056, 3468112, 8020009, 16040018, 32080036, 64160072, 128320144]

約数ペア:

[(1, 128320144), (2, 64160072), (4, 32080036), (8, 16040018), (16, 8020009), (37, 3468112), (74, 1734056), (148, 867028), (296, 433514), (592, 216757)]