13991615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3583}}^1$

素因数の和:3670

約数の個数: 16

約数和(自身を含む): 18579456

約数和(自身を除く): 4587841

約数列:

[1, 5, 11, 55, 71, 355, 781, 3583, 3905, 17915, 39413, 197065, 254393, 1271965, 2798323, 13991615]

約数ペア:

[(1, 13991615), (5, 2798323), (11, 1271965), (55, 254393), (71, 197065), (355, 39413), (781, 17915), (3583, 3905)]