397768318

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 624476160

約数和(自身を除く): 226707842

約数列:

[1, 2, 43, 79, 86, 127, 158, 254, 461, 922, 3397, 5461, 6794, 10033, 10922, 19823, 20066, 36419, 39646, 58547, 72838, 117094, 431419, 862838, 1566017, 2517521, 3132034, 4625213, 5035042, 9250426, 198884159, 397768318]

約数ペア:

[(1, 397768318), (2, 198884159), (43, 9250426), (79, 5035042), (86, 4625213), (127, 3132034), (158, 2517521), (254, 1566017), (461, 862838), (922, 431419), (3397, 117094), (5461, 72838), (6794, 58547), (10033, 39646), (10922, 36419), (19823, 20066)]