208987771

素因数分解:

${\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 219873280

約数和(自身を除く): 10885509

約数列:

[1, 31, 109, 127, 487, 3379, 3937, 13843, 15097, 53083, 61849, 429133, 1645573, 1917319, 6741541, 208987771]

約数ペア:

[(1, 208987771), (31, 6741541), (109, 1917319), (127, 1645573), (487, 429133), (3379, 61849), (3937, 53083), (13843, 15097)]