247489972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{12671}}^1$

素因数の和:12951

約数の個数: 24

約数和(自身を含む): 457712640

約数和(自身を除く): 210222668

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 4883, 9766, 12671, 19532, 25342, 50684, 240749, 481498, 962996, 3256447, 6512894, 13025788, 61872493, 123744986, 247489972]

約数ペア:

[(1, 247489972), (2, 123744986), (4, 61872493), (19, 13025788), (38, 6512894), (76, 3256447), (257, 962996), (514, 481498), (1028, 240749), (4883, 50684), (9766, 25342), (12671, 19532)]