8256645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 15567552

約数和(自身を除く): 7310907

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 251, 255, 387, 645, 731, 753, 765, 1255, 1935, 2193, 2259, 3655, 3765, 4267, 6579, 10793, 10965, 11295, 12801, 21335, 32379, 32895, 38403, 53965, 64005, 97137, 161895, 183481, 192015, 485685, 550443, 917405, 1651329, 2752215, 8256645]

約数ペア:

[(1, 8256645), (3, 2752215), (5, 1651329), (9, 917405), (15, 550443), (17, 485685), (43, 192015), (45, 183481), (51, 161895), (85, 97137), (129, 64005), (153, 53965), (215, 38403), (251, 32895), (255, 32379), (387, 21335), (645, 12801), (731, 11295), (753, 10965), (765, 10793), (1255, 6579), (1935, 4267), (2193, 3765), (2259, 3655)]