203212816

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{38371}}^1$

素因数の和:38710

約数の個数: 20

約数和(自身を含む): 394924624

約数和(自身を除く): 191711808

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 38371, 76742, 153484, 306968, 613936, 12700801, 25401602, 50803204, 101606408, 203212816]

約数ペア:

[(1, 203212816), (2, 101606408), (4, 50803204), (8, 25401602), (16, 12700801), (331, 613936), (662, 306968), (1324, 153484), (2648, 76742), (5296, 38371)]