681285404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{78889}}^1$

素因数の和:79037

約数の個数: 24

約数和(自身を含む): 1272337920

約数和(自身を除く): 591052516

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 2159, 4318, 8636, 78889, 157778, 315556, 1341113, 2682226, 5364452, 10018903, 20037806, 40075612, 170321351, 340642702, 681285404]

約数ペア:

[(1, 681285404), (2, 340642702), (4, 170321351), (17, 40075612), (34, 20037806), (68, 10018903), (127, 5364452), (254, 2682226), (508, 1341113), (2159, 315556), (4318, 157778), (8636, 78889)]