321966281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2851}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 425472768

約数和(自身を除く): 103506487

約数列:

[1, 7, 13, 17, 73, 91, 119, 221, 511, 949, 1241, 1547, 2851, 6643, 8687, 16133, 19957, 37063, 48467, 112931, 208123, 259441, 339269, 630071, 1456861, 2705599, 3538091, 4410497, 18939193, 24766637, 45995183, 321966281]

約数ペア:

[(1, 321966281), (7, 45995183), (13, 24766637), (17, 18939193), (73, 4410497), (91, 3538091), (119, 2705599), (221, 1456861), (511, 630071), (949, 339269), (1241, 259441), (1547, 208123), (2851, 112931), (6643, 48467), (8687, 37063), (16133, 19957)]