2016128855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 2933884800

約数和(自身を除く): 917755945

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 109, 221, 247, 323, 545, 881, 1105, 1235, 1417, 1615, 1853, 2071, 4199, 4405, 7085, 9265, 10355, 11453, 14977, 16739, 20995, 24089, 26923, 35207, 57265, 74885, 83695, 96029, 120445, 134615, 176035, 194701, 217607, 284563, 457691, 480145, 973505, 1088035, 1248377, 1422815, 1632493, 1824551, 2288455, 3699319, 6241885, 8162465, 9122755, 18496595, 21222409, 23719163, 31017367, 106112045, 118595815, 155086835, 403225771, 2016128855]

約数ペア:

[(1, 2016128855), (5, 403225771), (13, 155086835), (17, 118595815), (19, 106112045), (65, 31017367), (85, 23719163), (95, 21222409), (109, 18496595), (221, 9122755), (247, 8162465), (323, 6241885), (545, 3699319), (881, 2288455), (1105, 1824551), (1235, 1632493), (1417, 1422815), (1615, 1248377), (1853, 1088035), (2071, 973505), (4199, 480145), (4405, 457691), (7085, 284563), (9265, 217607), (10355, 194701), (11453, 176035), (14977, 134615), (16739, 120445), (20995, 96029), (24089, 83695), (26923, 74885), (35207, 57265)]