256239288

素因数分解:

$2^3\times 3^4\times {\mathrm{395431}}^1$

素因数の和:395449

約数の個数: 40

約数和(自身を含む): 717709080

約数和(自身を除く): 461469792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 395431, 790862, 1186293, 1581724, 2372586, 3163448, 3558879, 4745172, 7117758, 9490344, 10676637, 14235516, 21353274, 28471032, 32029911, 42706548, 64059822, 85413096, 128119644, 256239288]

約数ペア:

[(1, 256239288), (2, 128119644), (3, 85413096), (4, 64059822), (6, 42706548), (8, 32029911), (9, 28471032), (12, 21353274), (18, 14235516), (24, 10676637), (27, 9490344), (36, 7117758), (54, 4745172), (72, 3558879), (81, 3163448), (108, 2372586), (162, 1581724), (216, 1186293), (324, 790862), (648, 395431)]