138669568

素因数分解:

$2^9\times {\mathrm{199}}^1\times {\mathrm{1361}}^1$

素因数の和:1578

約数の個数: 40

約数和(自身を含む): 278665200

約数和(自身を除く): 139995632

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 512, 796, 1361, 1592, 2722, 3184, 5444, 6368, 10888, 12736, 21776, 25472, 43552, 50944, 87104, 101888, 174208, 270839, 348416, 541678, 696832, 1083356, 2166712, 4333424, 8666848, 17333696, 34667392, 69334784, 138669568]

約数ペア:

[(1, 138669568), (2, 69334784), (4, 34667392), (8, 17333696), (16, 8666848), (32, 4333424), (64, 2166712), (128, 1083356), (199, 696832), (256, 541678), (398, 348416), (512, 270839), (796, 174208), (1361, 101888), (1592, 87104), (2722, 50944), (3184, 43552), (5444, 25472), (6368, 21776), (10888, 12736)]