256596249

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4306

約数の個数: 48

約数和(自身を含む): 448405632

約数和(自身を除く): 191809383

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 221, 273, 357, 507, 663, 1183, 1547, 2873, 3549, 4253, 4641, 8619, 12759, 20111, 29771, 55289, 60333, 72301, 89313, 165867, 216903, 387023, 506107, 718757, 939913, 1161069, 1518321, 2156271, 2819739, 5031299, 6579391, 12218869, 15093897, 19738173, 36656607, 85532083, 256596249]

約数ペア:

[(1, 256596249), (3, 85532083), (7, 36656607), (13, 19738173), (17, 15093897), (21, 12218869), (39, 6579391), (51, 5031299), (91, 2819739), (119, 2156271), (169, 1518321), (221, 1161069), (273, 939913), (357, 718757), (507, 506107), (663, 387023), (1183, 216903), (1547, 165867), (2873, 89313), (3549, 72301), (4253, 60333), (4641, 55289), (8619, 29771), (12759, 20111)]