84021785

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{4391}}^1$

素因数の和:4528

約数の個数: 16

約数和(自身を含む): 104353920

約数和(自身を除く): 20332135

約数列:

[1, 5, 43, 89, 215, 445, 3827, 4391, 19135, 21955, 188813, 390799, 944065, 1953995, 16804357, 84021785]

約数ペア:

[(1, 84021785), (5, 16804357), (43, 1953995), (89, 944065), (215, 390799), (445, 188813), (3827, 21955), (4391, 19135)]