97871990

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{22093}}^1$

素因数の和:22543

約数の個数: 16

約数和(自身を含む): 176575248

約数和(自身を除く): 78703258

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 22093, 44186, 110465, 220930, 9787199, 19574398, 48935995, 97871990]

約数ペア:

[(1, 97871990), (2, 48935995), (5, 19574398), (10, 9787199), (443, 220930), (886, 110465), (2215, 44186), (4430, 22093)]