664346368

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11959}}^1$

素因数の和:12013

約数の個数: 72

約数和(自身を含む): 1564559360

約数和(自身を除く): 900212992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 11959, 13888, 23918, 27776, 47836, 55552, 83713, 95672, 167426, 191344, 334852, 370729, 382688, 669704, 741458, 765376, 1339408, 1482916, 1530752, 2595103, 2678816, 2965832, 3061504, 5190206, 5357632, 5931664, 10380412, 10715264, 11863328, 20760824, 21430528, 23726656, 41521648, 47453312, 83043296, 94906624, 166086592, 332173184, 664346368]

約数ペア:

[(1, 664346368), (2, 332173184), (4, 166086592), (7, 94906624), (8, 83043296), (14, 47453312), (16, 41521648), (28, 23726656), (31, 21430528), (32, 20760824), (56, 11863328), (62, 10715264), (64, 10380412), (112, 5931664), (124, 5357632), (128, 5190206), (217, 3061504), (224, 2965832), (248, 2678816), (256, 2595103), (434, 1530752), (448, 1482916), (496, 1339408), (868, 765376), (896, 741458), (992, 669704), (1736, 382688), (1792, 370729), (1984, 334852), (3472, 191344), (3968, 167426), (6944, 95672), (7936, 83713), (11959, 55552), (13888, 47836), (23918, 27776)]