289715216

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{36433}}^1$

素因数の和:36519

約数の個数: 40

約数和(自身を含む): 650565504

約数和(自身を除く): 360850288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 36433, 72866, 145732, 255031, 291464, 510062, 582928, 1020124, 2040248, 2586743, 4080496, 5173486, 10346972, 18107201, 20693944, 36214402, 41387888, 72428804, 144857608, 289715216]

約数ペア:

[(1, 289715216), (2, 144857608), (4, 72428804), (7, 41387888), (8, 36214402), (14, 20693944), (16, 18107201), (28, 10346972), (56, 5173486), (71, 4080496), (112, 2586743), (142, 2040248), (284, 1020124), (497, 582928), (568, 510062), (994, 291464), (1136, 255031), (1988, 145732), (3976, 72866), (7952, 36433)]