208507688

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{8537}}^1$

素因数の和:8657

約数の個数: 32

約数和(自身を含む): 405725760

約数和(自身を除く): 197218072

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 172, 284, 344, 568, 3053, 6106, 8537, 12212, 17074, 24424, 34148, 68296, 367091, 606127, 734182, 1212254, 1468364, 2424508, 2936728, 4849016, 26063461, 52126922, 104253844, 208507688]

約数ペア:

[(1, 208507688), (2, 104253844), (4, 52126922), (8, 26063461), (43, 4849016), (71, 2936728), (86, 2424508), (142, 1468364), (172, 1212254), (284, 734182), (344, 606127), (568, 367091), (3053, 68296), (6106, 34148), (8537, 24424), (12212, 17074)]