251107948

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 555248400

約数和(自身を除く): 304140452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 139, 182, 196, 278, 364, 556, 637, 709, 973, 1274, 1418, 1807, 1946, 2548, 2836, 3614, 3892, 4963, 6811, 7228, 9217, 9926, 12649, 13622, 18434, 19852, 25298, 27244, 34741, 36868, 50596, 64519, 69482, 88543, 98551, 129038, 138964, 177086, 197102, 258076, 354172, 394204, 451633, 689857, 903266, 1281163, 1379714, 1806532, 2562326, 2759428, 4828999, 5124652, 8968141, 9657998, 17936282, 19315996, 35872564, 62776987, 125553974, 251107948]

約数ペア:

[(1, 251107948), (2, 125553974), (4, 62776987), (7, 35872564), (13, 19315996), (14, 17936282), (26, 9657998), (28, 8968141), (49, 5124652), (52, 4828999), (91, 2759428), (98, 2562326), (139, 1806532), (182, 1379714), (196, 1281163), (278, 903266), (364, 689857), (556, 451633), (637, 394204), (709, 354172), (973, 258076), (1274, 197102), (1418, 177086), (1807, 138964), (1946, 129038), (2548, 98551), (2836, 88543), (3614, 69482), (3892, 64519), (4963, 50596), (6811, 36868), (7228, 34741), (9217, 27244), (9926, 25298), (12649, 19852), (13622, 18434)]