139723568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{997}}^1$

素因数の和:1485

約数の個数: 40

約数和(自身を含む): 285867120

約数和(自身を除く): 146143552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 461, 922, 997, 1844, 1994, 3688, 3988, 7376, 7976, 8759, 15952, 17518, 18943, 35036, 37886, 70072, 75772, 140144, 151544, 303088, 459617, 919234, 1838468, 3676936, 7353872, 8732723, 17465446, 34930892, 69861784, 139723568]

約数ペア:

[(1, 139723568), (2, 69861784), (4, 34930892), (8, 17465446), (16, 8732723), (19, 7353872), (38, 3676936), (76, 1838468), (152, 919234), (304, 459617), (461, 303088), (922, 151544), (997, 140144), (1844, 75772), (1994, 70072), (3688, 37886), (3988, 35036), (7376, 18943), (7976, 17518), (8759, 15952)]