28210015

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 34722432

約数和(自身を除く): 6512417

約数列:

[1, 5, 67, 107, 335, 535, 787, 3935, 7169, 35845, 52729, 84209, 263645, 421045, 5642003, 28210015]

約数ペア:

[(1, 28210015), (5, 5642003), (67, 421045), (107, 263645), (335, 84209), (535, 52729), (787, 35845), (3935, 7169)]