28306428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 75398400

約数和(自身を除く): 47091972

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 67, 68, 76, 102, 109, 114, 134, 201, 204, 218, 228, 268, 323, 327, 402, 436, 646, 654, 804, 969, 1139, 1273, 1292, 1308, 1853, 1938, 2071, 2278, 2546, 3417, 3706, 3819, 3876, 4142, 4556, 5092, 5559, 6213, 6834, 7303, 7412, 7638, 8284, 11118, 12426, 13668, 14606, 15276, 21641, 21909, 22236, 24852, 29212, 35207, 43282, 43818, 64923, 70414, 86564, 87636, 105621, 124151, 129846, 138757, 140828, 211242, 248302, 259692, 277514, 372453, 416271, 422484, 496604, 555028, 744906, 832542, 1489812, 1665084, 2358869, 4717738, 7076607, 9435476, 14153214, 28306428]

約数ペア:

[(1, 28306428), (2, 14153214), (3, 9435476), (4, 7076607), (6, 4717738), (12, 2358869), (17, 1665084), (19, 1489812), (34, 832542), (38, 744906), (51, 555028), (57, 496604), (67, 422484), (68, 416271), (76, 372453), (102, 277514), (109, 259692), (114, 248302), (134, 211242), (201, 140828), (204, 138757), (218, 129846), (228, 124151), (268, 105621), (323, 87636), (327, 86564), (402, 70414), (436, 64923), (646, 43818), (654, 43282), (804, 35207), (969, 29212), (1139, 24852), (1273, 22236), (1292, 21909), (1308, 21641), (1853, 15276), (1938, 14606), (2071, 13668), (2278, 12426), (2546, 11118), (3417, 8284), (3706, 7638), (3819, 7412), (3876, 7303), (4142, 6834), (4556, 6213), (5092, 5559)]