279777772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 530385408

約数和(自身を除く): 250607636

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 167, 284, 334, 347, 668, 694, 1207, 1388, 2414, 2839, 4828, 5678, 5899, 11356, 11798, 11857, 23596, 23714, 24637, 47428, 49274, 57949, 98548, 115898, 201569, 231796, 403138, 418829, 806276, 837658, 985133, 1675316, 1970266, 3940532, 4114379, 8228758, 16457516, 69944443, 139888886, 279777772]

約数ペア:

[(1, 279777772), (2, 139888886), (4, 69944443), (17, 16457516), (34, 8228758), (68, 4114379), (71, 3940532), (142, 1970266), (167, 1675316), (284, 985133), (334, 837658), (347, 806276), (668, 418829), (694, 403138), (1207, 231796), (1388, 201569), (2414, 115898), (2839, 98548), (4828, 57949), (5678, 49274), (5899, 47428), (11356, 24637), (11798, 23714), (11857, 23596)]