28942732

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 65378544

約数和(自身を除く): 36435812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 307, 364, 481, 518, 614, 637, 962, 1036, 1228, 1274, 1813, 1924, 2149, 2548, 3367, 3626, 3991, 4298, 6734, 7252, 7982, 8596, 11359, 13468, 15043, 15964, 22718, 23569, 27937, 30086, 45436, 47138, 55874, 60172, 79513, 94276, 111748, 147667, 159026, 195559, 295334, 318052, 391118, 556591, 590668, 782236, 1033669, 1113182, 2067338, 2226364, 4134676, 7235683, 14471366, 28942732]

約数ペア:

[(1, 28942732), (2, 14471366), (4, 7235683), (7, 4134676), (13, 2226364), (14, 2067338), (26, 1113182), (28, 1033669), (37, 782236), (49, 590668), (52, 556591), (74, 391118), (91, 318052), (98, 295334), (148, 195559), (182, 159026), (196, 147667), (259, 111748), (307, 94276), (364, 79513), (481, 60172), (518, 55874), (614, 47138), (637, 45436), (962, 30086), (1036, 27937), (1228, 23569), (1274, 22718), (1813, 15964), (1924, 15043), (2149, 13468), (2548, 11359), (3367, 8596), (3626, 7982), (3991, 7252), (4298, 6734)]