28008904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 67132800

約数和(自身を除く): 39123896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 902, 1109, 1148, 1804, 2218, 2296, 3157, 3608, 4436, 6314, 7763, 8872, 12199, 12628, 15526, 24398, 25256, 31052, 45469, 48796, 62104, 85393, 90938, 97592, 170786, 181876, 318283, 341572, 363752, 500159, 636566, 683144, 1000318, 1273132, 2000636, 2546264, 3501113, 4001272, 7002226, 14004452, 28008904]

約数ペア:

[(1, 28008904), (2, 14004452), (4, 7002226), (7, 4001272), (8, 3501113), (11, 2546264), (14, 2000636), (22, 1273132), (28, 1000318), (41, 683144), (44, 636566), (56, 500159), (77, 363752), (82, 341572), (88, 318283), (154, 181876), (164, 170786), (287, 97592), (308, 90938), (328, 85393), (451, 62104), (574, 48796), (616, 45469), (902, 31052), (1109, 25256), (1148, 24398), (1804, 15526), (2218, 12628), (2296, 12199), (3157, 8872), (3608, 7763), (4436, 6314)]