28416388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 68640768

約数和(自身を除く): 40224380

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 47, 52, 77, 91, 94, 143, 151, 154, 182, 188, 286, 302, 308, 329, 364, 517, 572, 604, 611, 658, 1001, 1034, 1057, 1222, 1316, 1661, 1963, 2002, 2068, 2114, 2444, 3322, 3619, 3926, 4004, 4228, 4277, 6644, 6721, 7097, 7238, 7852, 8554, 11627, 13442, 13741, 14194, 14476, 17108, 21593, 23254, 26884, 27482, 28388, 43186, 46508, 47047, 49679, 54964, 78067, 86372, 92261, 94094, 99358, 151151, 156134, 184522, 188188, 198716, 302302, 312268, 369044, 546469, 604604, 645827, 1014871, 1092938, 1291654, 2029742, 2185876, 2583308, 4059484, 7104097, 14208194, 28416388]

約数ペア:

[(1, 28416388), (2, 14208194), (4, 7104097), (7, 4059484), (11, 2583308), (13, 2185876), (14, 2029742), (22, 1291654), (26, 1092938), (28, 1014871), (44, 645827), (47, 604604), (52, 546469), (77, 369044), (91, 312268), (94, 302302), (143, 198716), (151, 188188), (154, 184522), (182, 156134), (188, 151151), (286, 99358), (302, 94094), (308, 92261), (329, 86372), (364, 78067), (517, 54964), (572, 49679), (604, 47047), (611, 46508), (658, 43186), (1001, 28388), (1034, 27482), (1057, 26884), (1222, 23254), (1316, 21593), (1661, 17108), (1963, 14476), (2002, 14194), (2068, 13741), (2114, 13442), (2444, 11627), (3322, 8554), (3619, 7852), (3926, 7238), (4004, 7097), (4228, 6721), (4277, 6644)]