28038790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 55971648

約数和(自身を除く): 27932858

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 169, 235, 338, 353, 470, 611, 706, 845, 1222, 1690, 1765, 3055, 3530, 4589, 6110, 7943, 9178, 15886, 16591, 22945, 33182, 39715, 45890, 59657, 79430, 82955, 119314, 165910, 215683, 298285, 431366, 596570, 1078415, 2156830, 2803879, 5607758, 14019395, 28038790]

約数ペア:

[(1, 28038790), (2, 14019395), (5, 5607758), (10, 2803879), (13, 2156830), (26, 1078415), (47, 596570), (65, 431366), (94, 298285), (130, 215683), (169, 165910), (235, 119314), (338, 82955), (353, 79430), (470, 59657), (611, 45890), (706, 39715), (845, 33182), (1222, 22945), (1690, 16591), (1765, 15886), (3055, 9178), (3530, 7943), (4589, 6110)]