71054072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 140649600

約数和(自身を除く): 69595528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 643, 727, 1286, 1454, 2572, 2908, 5144, 5816, 12217, 13813, 24434, 27626, 48868, 55252, 97736, 110504, 467461, 934922, 1869844, 3739688, 8881759, 17763518, 35527036, 71054072]

約数ペア:

[(1, 71054072), (2, 35527036), (4, 17763518), (8, 8881759), (19, 3739688), (38, 1869844), (76, 934922), (152, 467461), (643, 110504), (727, 97736), (1286, 55252), (1454, 48868), (2572, 27626), (2908, 24434), (5144, 13813), (5816, 12217)]