66979408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{220327}}^1$

素因数の和:220354

約数の個数: 20

約数和(自身を含む): 136603360

約数和(自身を除く): 69623952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 220327, 440654, 881308, 1762616, 3525232, 4186213, 8372426, 16744852, 33489704, 66979408]

約数ペア:

[(1, 66979408), (2, 33489704), (4, 16744852), (8, 8372426), (16, 4186213), (19, 3525232), (38, 1762616), (76, 881308), (152, 440654), (304, 220327)]