28399826

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 56754432

約数和(自身を除く): 28354606

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 67, 91, 119, 134, 137, 182, 221, 238, 274, 442, 469, 871, 938, 959, 1139, 1547, 1742, 1781, 1918, 2278, 2329, 3094, 3562, 4658, 6097, 7973, 9179, 12194, 12467, 14807, 15946, 16303, 18358, 24934, 29614, 30277, 32606, 60554, 64253, 103649, 119327, 128506, 156043, 207298, 211939, 238654, 312086, 423878, 835289, 1092301, 1670578, 2028559, 2184602, 4057118, 14199913, 28399826]

約数ペア:

[(1, 28399826), (2, 14199913), (7, 4057118), (13, 2184602), (14, 2028559), (17, 1670578), (26, 1092301), (34, 835289), (67, 423878), (91, 312086), (119, 238654), (134, 211939), (137, 207298), (182, 156043), (221, 128506), (238, 119327), (274, 103649), (442, 64253), (469, 60554), (871, 32606), (938, 30277), (959, 29614), (1139, 24934), (1547, 18358), (1742, 16303), (1781, 15946), (1918, 14807), (2278, 12467), (2329, 12194), (3094, 9179), (3562, 7973), (4658, 6097)]