15641725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 22087872

約数和(自身を除く): 6446147

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 2473, 6325, 12365, 27203, 56879, 61825, 136015, 284395, 625669, 680075, 1421975, 3128345, 15641725]

約数ペア:

[(1, 15641725), (5, 3128345), (11, 1421975), (23, 680075), (25, 625669), (55, 284395), (115, 136015), (253, 61825), (275, 56879), (575, 27203), (1265, 12365), (2473, 6325)]