208731688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{8563}}^1$

素因数の和:8857

約数の個数: 32

約数和(自身を含む): 428542560

約数和(自身を除く): 219810872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 277, 554, 1108, 2216, 3047, 6094, 8563, 12188, 17126, 24376, 34252, 68504, 94193, 188386, 376772, 753544, 2371951, 4743902, 9487804, 18975608, 26091461, 52182922, 104365844, 208731688]

約数ペア:

[(1, 208731688), (2, 104365844), (4, 52182922), (8, 26091461), (11, 18975608), (22, 9487804), (44, 4743902), (88, 2371951), (277, 753544), (554, 376772), (1108, 188386), (2216, 94193), (3047, 68504), (6094, 34252), (8563, 24376), (12188, 17126)]