164067910

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{38971}}^1$

素因数の和:39399

約数の個数: 16

約数和(自身を含む): 296031312

約数和(自身を除く): 131963402

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 38971, 77942, 194855, 389710, 16406791, 32813582, 82033955, 164067910]

約数ペア:

[(1, 164067910), (2, 82033955), (5, 32813582), (10, 16406791), (421, 389710), (842, 194855), (2105, 77942), (4210, 38971)]