26789945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 40040448

約数和(自身を除く): 13250503

約数列:

[1, 5, 7, 13, 35, 65, 91, 97, 455, 485, 607, 679, 1261, 3035, 3395, 4249, 6305, 7891, 8827, 21245, 39455, 44135, 55237, 58879, 276185, 294395, 412153, 765427, 2060765, 3827135, 5357989, 26789945]

約数ペア:

[(1, 26789945), (5, 5357989), (7, 3827135), (13, 2060765), (35, 765427), (65, 412153), (91, 294395), (97, 276185), (455, 58879), (485, 55237), (607, 44135), (679, 39455), (1261, 21245), (3035, 8827), (3395, 7891), (4249, 6305)]