66668812

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 54

約数和(自身を含む): 142096668

約数和(自身を除く): 75427856

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 529, 643, 644, 1058, 1127, 1286, 2116, 2254, 2572, 3703, 4501, 4508, 7406, 9002, 14789, 14812, 18004, 25921, 29578, 31507, 51842, 59156, 63014, 103523, 103684, 126028, 207046, 340147, 414092, 680294, 724661, 1360588, 1449322, 2381029, 2898644, 4762058, 9524116, 16667203, 33334406, 66668812]

約数ペア:

[(1, 66668812), (2, 33334406), (4, 16667203), (7, 9524116), (14, 4762058), (23, 2898644), (28, 2381029), (46, 1449322), (49, 1360588), (92, 724661), (98, 680294), (161, 414092), (196, 340147), (322, 207046), (529, 126028), (643, 103684), (644, 103523), (1058, 63014), (1127, 59156), (1286, 51842), (2116, 31507), (2254, 29578), (2572, 25921), (3703, 18004), (4501, 14812), (4508, 14789), (7406, 9002)]