81586589

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 103680000

約数和(自身を除く): 22093411

約数列:

[1, 7, 19, 23, 133, 149, 161, 179, 437, 1043, 1253, 2831, 3059, 3401, 3427, 4117, 19817, 23807, 23989, 26671, 28819, 65113, 78223, 186697, 455791, 506749, 547561, 613433, 3547243, 4294031, 11655227, 81586589]

約数ペア:

[(1, 81586589), (7, 11655227), (19, 4294031), (23, 3547243), (133, 613433), (149, 547561), (161, 506749), (179, 455791), (437, 186697), (1043, 78223), (1253, 65113), (2831, 28819), (3059, 26671), (3401, 23989), (3427, 23807), (4117, 19817)]