66861428

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{641}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 118911240

約数和(自身を除く): 52049812

約数列:

[1, 2, 4, 89, 178, 293, 356, 586, 641, 1172, 1282, 2564, 26077, 52154, 57049, 104308, 114098, 187813, 228196, 375626, 751252, 16715357, 33430714, 66861428]

約数ペア:

[(1, 66861428), (2, 33430714), (4, 16715357), (89, 751252), (178, 375626), (293, 228196), (356, 187813), (586, 114098), (641, 104308), (1172, 57049), (1282, 52154), (2564, 26077)]