77979344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1515

約数の個数: 40

約数和(自身を含む): 159960000

約数和(自身を除く): 81980656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 398, 796, 1289, 1592, 2578, 3184, 3781, 5156, 7562, 10312, 15124, 20624, 24491, 30248, 48982, 60496, 97964, 195928, 256511, 391856, 513022, 1026044, 2052088, 4104176, 4873709, 9747418, 19494836, 38989672, 77979344]

約数ペア:

[(1, 77979344), (2, 38989672), (4, 19494836), (8, 9747418), (16, 4873709), (19, 4104176), (38, 2052088), (76, 1026044), (152, 513022), (199, 391856), (304, 256511), (398, 195928), (796, 97964), (1289, 60496), (1592, 48982), (2578, 30248), (3184, 24491), (3781, 20624), (5156, 15124), (7562, 10312)]