198175588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{42821}}^1$

素因数の和:42927

約数の個数: 24

約数和(自身を含む): 377690040

約数和(自身を除く): 179514452

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 42821, 85642, 171284, 556673, 1113346, 2226692, 3811069, 7622138, 15244276, 49543897, 99087794, 198175588]

約数ペア:

[(1, 198175588), (2, 99087794), (4, 49543897), (13, 15244276), (26, 7622138), (52, 3811069), (89, 2226692), (178, 1113346), (356, 556673), (1157, 171284), (2314, 85642), (4628, 42821)]