28085890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{661}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 57959424

約数和(自身を除く): 29873534

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 607, 661, 1214, 1322, 3035, 3305, 4249, 4627, 6070, 6610, 8498, 9254, 21245, 23135, 42490, 46270, 401227, 802454, 2006135, 2808589, 4012270, 5617178, 14042945, 28085890]

約数ペア:

[(1, 28085890), (2, 14042945), (5, 5617178), (7, 4012270), (10, 2808589), (14, 2006135), (35, 802454), (70, 401227), (607, 46270), (661, 42490), (1214, 23135), (1322, 21245), (3035, 9254), (3305, 8498), (4249, 6610), (4627, 6070)]