38928778

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 68256000

約数和(自身を除く): 29327222

約数列:

[1, 2, 7, 14, 89, 157, 178, 199, 314, 398, 623, 1099, 1246, 1393, 2198, 2786, 13973, 17711, 27946, 31243, 35422, 62486, 97811, 123977, 195622, 218701, 247954, 437402, 2780627, 5561254, 19464389, 38928778]

約数ペア:

[(1, 38928778), (2, 19464389), (7, 5561254), (14, 2780627), (89, 437402), (157, 247954), (178, 218701), (199, 195622), (314, 123977), (398, 97811), (623, 62486), (1099, 35422), (1246, 31243), (1393, 27946), (2198, 17711), (2786, 13973)]