208814512

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{420997}}^1$

素因数の和:421036

約数の個数: 20

約数和(自身を含む): 417630016

約数和(自身を除く): 208815504

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 420997, 841994, 1683988, 3367976, 6735952, 13050907, 26101814, 52203628, 104407256, 208814512]

約数ペア:

[(1, 208814512), (2, 104407256), (4, 52203628), (8, 26101814), (16, 13050907), (31, 6735952), (62, 3367976), (124, 1683988), (248, 841994), (496, 420997)]