28688615

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 35168256

約数和(自身を除く): 6479641

約数列:

[1, 5, 71, 211, 355, 383, 1055, 1915, 14981, 27193, 74905, 80813, 135965, 404065, 5737723, 28688615]

約数ペア:

[(1, 28688615), (5, 5737723), (71, 404065), (211, 135965), (355, 80813), (383, 74905), (1055, 27193), (1915, 14981)]