208037945

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{4289}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 254826000

約数和(自身を除く): 46788055

約数列:

[1, 5, 89, 109, 445, 545, 4289, 9701, 21445, 48505, 381721, 467501, 1908605, 2337505, 41607589, 208037945]

約数ペア:

[(1, 208037945), (5, 41607589), (89, 2337505), (109, 1908605), (445, 467501), (545, 381721), (4289, 48505), (9701, 21445)]