28025298

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 71792640

約数和(自身を除く): 43767342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 151, 189, 302, 378, 453, 491, 906, 982, 1057, 1359, 1473, 2114, 2718, 2946, 3171, 3437, 4077, 4419, 6342, 6874, 8154, 8838, 9513, 10311, 13257, 19026, 20622, 26514, 28539, 30933, 57078, 61866, 74141, 92799, 148282, 185598, 222423, 444846, 518987, 667269, 1037974, 1334538, 1556961, 2001807, 3113922, 4003614, 4670883, 9341766, 14012649, 28025298]

約数ペア:

[(1, 28025298), (2, 14012649), (3, 9341766), (6, 4670883), (7, 4003614), (9, 3113922), (14, 2001807), (18, 1556961), (21, 1334538), (27, 1037974), (42, 667269), (54, 518987), (63, 444846), (126, 222423), (151, 185598), (189, 148282), (302, 92799), (378, 74141), (453, 61866), (491, 57078), (906, 30933), (982, 28539), (1057, 26514), (1359, 20622), (1473, 19026), (2114, 13257), (2718, 10311), (2946, 9513), (3171, 8838), (3437, 8154), (4077, 6874), (4419, 6342)]