28401072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{467}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 84494592

約数和(自身を除く): 56093520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 181, 336, 362, 467, 543, 724, 934, 1086, 1267, 1401, 1448, 1868, 2172, 2534, 2802, 2896, 3269, 3736, 3801, 4344, 5068, 5604, 6538, 7472, 7602, 8688, 9807, 10136, 11208, 13076, 15204, 19614, 20272, 22416, 26152, 30408, 39228, 52304, 60816, 78456, 84527, 156912, 169054, 253581, 338108, 507162, 591689, 676216, 1014324, 1183378, 1352432, 1775067, 2028648, 2366756, 3550134, 4057296, 4733512, 7100268, 9467024, 14200536, 28401072]

約数ペア:

[(1, 28401072), (2, 14200536), (3, 9467024), (4, 7100268), (6, 4733512), (7, 4057296), (8, 3550134), (12, 2366756), (14, 2028648), (16, 1775067), (21, 1352432), (24, 1183378), (28, 1014324), (42, 676216), (48, 591689), (56, 507162), (84, 338108), (112, 253581), (168, 169054), (181, 156912), (336, 84527), (362, 78456), (467, 60816), (543, 52304), (724, 39228), (934, 30408), (1086, 26152), (1267, 22416), (1401, 20272), (1448, 19614), (1868, 15204), (2172, 13076), (2534, 11208), (2802, 10136), (2896, 9807), (3269, 8688), (3736, 7602), (3801, 7472), (4344, 6538), (5068, 5604)]