280253886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 626959872

約数和(自身を除く): 346705986

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 122, 151, 183, 302, 366, 453, 461, 671, 906, 922, 1342, 1383, 1661, 2013, 2766, 3322, 4026, 4983, 5071, 9211, 9966, 10142, 15213, 18422, 27633, 28121, 30426, 55266, 56242, 69611, 84363, 101321, 139222, 168726, 202642, 208833, 303963, 309331, 417666, 607926, 618662, 765721, 927993, 1531442, 1855986, 2297163, 4246271, 4594326, 8492542, 12738813, 25477626, 46708981, 93417962, 140126943, 280253886]

約数ペア:

[(1, 280253886), (2, 140126943), (3, 93417962), (6, 46708981), (11, 25477626), (22, 12738813), (33, 8492542), (61, 4594326), (66, 4246271), (122, 2297163), (151, 1855986), (183, 1531442), (302, 927993), (366, 765721), (453, 618662), (461, 607926), (671, 417666), (906, 309331), (922, 303963), (1342, 208833), (1383, 202642), (1661, 168726), (2013, 139222), (2766, 101321), (3322, 84363), (4026, 69611), (4983, 56242), (5071, 55266), (9211, 30426), (9966, 28121), (10142, 27633), (15213, 18422)]