78745568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{641}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 169873200

約数和(自身を除く): 91127632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 349, 352, 641, 698, 1282, 1396, 2564, 2792, 3839, 5128, 5584, 7051, 7678, 10256, 11168, 14102, 15356, 20512, 28204, 30712, 56408, 61424, 112816, 122848, 223709, 225632, 447418, 894836, 1789672, 2460799, 3579344, 4921598, 7158688, 9843196, 19686392, 39372784, 78745568]

約数ペア:

[(1, 78745568), (2, 39372784), (4, 19686392), (8, 9843196), (11, 7158688), (16, 4921598), (22, 3579344), (32, 2460799), (44, 1789672), (88, 894836), (176, 447418), (349, 225632), (352, 223709), (641, 122848), (698, 112816), (1282, 61424), (1396, 56408), (2564, 30712), (2792, 28204), (3839, 20512), (5128, 15356), (5584, 14102), (7051, 11168), (7678, 10256)]