1564345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 1999872

約数和(自身を除く): 435527

約数列:

[1, 5, 23, 61, 115, 223, 305, 1115, 1403, 5129, 7015, 13603, 25645, 68015, 312869, 1564345]

約数ペア:

[(1, 1564345), (5, 312869), (23, 68015), (61, 25645), (115, 13603), (223, 7015), (305, 5129), (1115, 1403)]