664791655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 925164576

約数和(自身を除く): 260372921

約数列:

[1, 5, 11, 23, 55, 73, 115, 253, 313, 365, 529, 803, 1265, 1565, 1679, 2645, 3443, 4015, 5819, 7199, 8395, 17215, 18469, 22849, 29095, 35995, 38617, 79189, 92345, 114245, 165577, 193085, 251339, 395945, 424787, 525527, 827885, 1256695, 1821347, 2123935, 2627635, 5780797, 9106735, 12087121, 28903985, 60435605, 132958331, 664791655]

約数ペア:

[(1, 664791655), (5, 132958331), (11, 60435605), (23, 28903985), (55, 12087121), (73, 9106735), (115, 5780797), (253, 2627635), (313, 2123935), (365, 1821347), (529, 1256695), (803, 827885), (1265, 525527), (1565, 424787), (1679, 395945), (2645, 251339), (3443, 193085), (4015, 165577), (5819, 114245), (7199, 92345), (8395, 79189), (17215, 38617), (18469, 35995), (22849, 29095)]