28125928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 58982400

約数和(自身を除く): 30856472

約数列:

[1, 2, 4, 8, 19, 31, 38, 47, 62, 76, 94, 124, 127, 152, 188, 248, 254, 376, 508, 589, 893, 1016, 1178, 1457, 1786, 2356, 2413, 2914, 3572, 3937, 4712, 4826, 5828, 5969, 7144, 7874, 9652, 11656, 11938, 15748, 19304, 23876, 27683, 31496, 47752, 55366, 74803, 110732, 113411, 149606, 185039, 221464, 226822, 299212, 370078, 453644, 598424, 740156, 907288, 1480312, 3515741, 7031482, 14062964, 28125928]

約数ペア:

[(1, 28125928), (2, 14062964), (4, 7031482), (8, 3515741), (19, 1480312), (31, 907288), (38, 740156), (47, 598424), (62, 453644), (76, 370078), (94, 299212), (124, 226822), (127, 221464), (152, 185039), (188, 149606), (248, 113411), (254, 110732), (376, 74803), (508, 55366), (589, 47752), (893, 31496), (1016, 27683), (1178, 23876), (1457, 19304), (1786, 15748), (2356, 11938), (2413, 11656), (2914, 9652), (3572, 7874), (3937, 7144), (4712, 5969), (4826, 5828)]