28282345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 42497280

約数和(自身を除く): 14214935

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 1019, 2135, 3965, 5095, 5551, 7133, 13247, 27755, 35665, 62159, 66235, 92729, 310795, 435113, 463645, 808067, 2175565, 4040335, 5656469, 28282345]

約数ペア:

[(1, 28282345), (5, 5656469), (7, 4040335), (13, 2175565), (35, 808067), (61, 463645), (65, 435113), (91, 310795), (305, 92729), (427, 66235), (455, 62159), (793, 35665), (1019, 27755), (2135, 13247), (3965, 7133), (5095, 5551)]