65515568

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{25121}}^1$

素因数の和:25292

約数の個数: 20

約数和(自身を含む): 127720248

約数和(自身を除く): 62204680

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 25121, 50242, 100484, 200968, 401936, 4094723, 8189446, 16378892, 32757784, 65515568]

約数ペア:

[(1, 65515568), (2, 32757784), (4, 16378892), (8, 8189446), (16, 4094723), (163, 401936), (326, 200968), (652, 100484), (1304, 50242), (2608, 25121)]