28204668

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 74547200

約数和(自身を除く): 46342532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 199, 254, 279, 372, 381, 398, 508, 558, 597, 762, 796, 1116, 1143, 1194, 1524, 1791, 2286, 2388, 3582, 3937, 4572, 6169, 7164, 7874, 11811, 12338, 15748, 18507, 23622, 24676, 25273, 35433, 37014, 47244, 50546, 55521, 70866, 74028, 75819, 101092, 111042, 141732, 151638, 222084, 227457, 303276, 454914, 783463, 909828, 1566926, 2350389, 3133852, 4700778, 7051167, 9401556, 14102334, 28204668]

約数ペア:

[(1, 28204668), (2, 14102334), (3, 9401556), (4, 7051167), (6, 4700778), (9, 3133852), (12, 2350389), (18, 1566926), (31, 909828), (36, 783463), (62, 454914), (93, 303276), (124, 227457), (127, 222084), (186, 151638), (199, 141732), (254, 111042), (279, 101092), (372, 75819), (381, 74028), (398, 70866), (508, 55521), (558, 50546), (597, 47244), (762, 37014), (796, 35433), (1116, 25273), (1143, 24676), (1194, 23622), (1524, 18507), (1791, 15748), (2286, 12338), (2388, 11811), (3582, 7874), (3937, 7164), (4572, 6169)]