68638528

素因数分解:

$2^6\times 7^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:807

約数の個数: 56

約数和(自身を含む): 156464000

約数和(自身を除く): 87825472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 349, 439, 448, 698, 878, 1396, 1756, 2443, 2792, 3073, 3512, 4886, 5584, 6146, 7024, 9772, 11168, 12292, 14048, 19544, 22336, 24584, 28096, 39088, 49168, 78176, 98336, 153211, 156352, 196672, 306422, 612844, 1072477, 1225688, 2144954, 2451376, 4289908, 4902752, 8579816, 9805504, 17159632, 34319264, 68638528]

約数ペア:

[(1, 68638528), (2, 34319264), (4, 17159632), (7, 9805504), (8, 8579816), (14, 4902752), (16, 4289908), (28, 2451376), (32, 2144954), (56, 1225688), (64, 1072477), (112, 612844), (224, 306422), (349, 196672), (439, 156352), (448, 153211), (698, 98336), (878, 78176), (1396, 49168), (1756, 39088), (2443, 28096), (2792, 24584), (3073, 22336), (3512, 19544), (4886, 14048), (5584, 12292), (6146, 11168), (7024, 9772)]