28903985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 40151808

約数和(自身を除く): 11247823

約数列:

[1, 5, 11, 23, 55, 73, 115, 253, 313, 365, 803, 1265, 1565, 1679, 3443, 4015, 7199, 8395, 17215, 18469, 22849, 35995, 79189, 92345, 114245, 251339, 395945, 525527, 1256695, 2627635, 5780797, 28903985]

約数ペア:

[(1, 28903985), (5, 5780797), (11, 2627635), (23, 1256695), (55, 525527), (73, 395945), (115, 251339), (253, 114245), (313, 92345), (365, 79189), (803, 35995), (1265, 22849), (1565, 18469), (1679, 17215), (3443, 8395), (4015, 7199)]