216518965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 296352000

約数和(自身を除く): 79833035

約数列:

[1, 5, 13, 19, 65, 95, 199, 247, 881, 995, 1235, 2587, 3781, 4405, 11453, 12935, 16739, 18905, 49153, 57265, 83695, 175319, 217607, 245765, 876595, 1088035, 2279147, 3331061, 11395735, 16655305, 43303793, 216518965]

約数ペア:

[(1, 216518965), (5, 43303793), (13, 16655305), (19, 11395735), (65, 3331061), (95, 2279147), (199, 1088035), (247, 876595), (881, 245765), (995, 217607), (1235, 175319), (2587, 83695), (3781, 57265), (4405, 49153), (11453, 18905), (12935, 16739)]