79771538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 158976000

約数和(自身を除く): 79204462

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 137, 154, 199, 209, 266, 274, 398, 418, 959, 1393, 1463, 1507, 1918, 2189, 2603, 2786, 2926, 3014, 3781, 4378, 5206, 7562, 10549, 15323, 18221, 21098, 26467, 27263, 28633, 30646, 36442, 41591, 52934, 54526, 57266, 83182, 190841, 200431, 291137, 299893, 381682, 400862, 517997, 582274, 599786, 1035994, 2099251, 3625979, 4198502, 5697967, 7251958, 11395934, 39885769, 79771538]

約数ペア:

[(1, 79771538), (2, 39885769), (7, 11395934), (11, 7251958), (14, 5697967), (19, 4198502), (22, 3625979), (38, 2099251), (77, 1035994), (133, 599786), (137, 582274), (154, 517997), (199, 400862), (209, 381682), (266, 299893), (274, 291137), (398, 200431), (418, 190841), (959, 83182), (1393, 57266), (1463, 54526), (1507, 52934), (1918, 41591), (2189, 36442), (2603, 30646), (2786, 28633), (2926, 27263), (3014, 26467), (3781, 21098), (4378, 18221), (5206, 15323), (7562, 10549)]