28558504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 63277200

約数和(自身を除く): 34718696

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 221, 232, 377, 442, 493, 557, 754, 884, 986, 1114, 1508, 1768, 1972, 2228, 3016, 3944, 4456, 6409, 7241, 9469, 12818, 14482, 16153, 18938, 25636, 28964, 32306, 37876, 51272, 57928, 64612, 75752, 123097, 129224, 209989, 246194, 274601, 419978, 492388, 549202, 839956, 984776, 1098404, 1679912, 2196808, 3569813, 7139626, 14279252, 28558504]

約数ペア:

[(1, 28558504), (2, 14279252), (4, 7139626), (8, 3569813), (13, 2196808), (17, 1679912), (26, 1098404), (29, 984776), (34, 839956), (52, 549202), (58, 492388), (68, 419978), (104, 274601), (116, 246194), (136, 209989), (221, 129224), (232, 123097), (377, 75752), (442, 64612), (493, 57928), (557, 51272), (754, 37876), (884, 32306), (986, 28964), (1114, 25636), (1508, 18938), (1768, 16153), (1972, 14482), (2228, 12818), (3016, 9469), (3944, 7241), (4456, 6409)]