81400142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 50204338

約数列:

[1, 2, 19, 38, 101, 127, 167, 202, 254, 334, 1919, 2413, 3173, 3838, 4826, 6346, 12827, 16867, 21209, 25654, 33734, 42418, 243713, 320473, 402971, 487426, 640946, 805942, 2142109, 4284218, 40700071, 81400142]

約数ペア:

[(1, 81400142), (2, 40700071), (19, 4284218), (38, 2142109), (101, 805942), (127, 640946), (167, 487426), (202, 402971), (254, 320473), (334, 243713), (1919, 42418), (2413, 33734), (3173, 25654), (3838, 21209), (4826, 16867), (6346, 12827)]