28568001

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 52346880

約数和(自身を除く): 23778879

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 57, 69, 77, 133, 161, 209, 231, 253, 283, 399, 437, 483, 627, 759, 849, 1311, 1463, 1771, 1981, 3059, 3113, 4389, 4807, 5313, 5377, 5943, 6509, 9177, 9339, 14421, 16131, 19527, 21791, 33649, 37639, 45563, 59147, 65373, 71599, 100947, 112917, 123671, 136689, 177441, 214797, 371013, 414029, 501193, 865697, 1242087, 1360381, 1503579, 2597091, 4081143, 9522667, 28568001]

約数ペア:

[(1, 28568001), (3, 9522667), (7, 4081143), (11, 2597091), (19, 1503579), (21, 1360381), (23, 1242087), (33, 865697), (57, 501193), (69, 414029), (77, 371013), (133, 214797), (161, 177441), (209, 136689), (231, 123671), (253, 112917), (283, 100947), (399, 71599), (437, 65373), (483, 59147), (627, 45563), (759, 37639), (849, 33649), (1311, 21791), (1463, 19527), (1771, 16131), (1981, 14421), (3059, 9339), (3113, 9177), (4389, 6509), (4807, 5943), (5313, 5377)]