66419864

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{27583}}^1$

素因数の和:27639

約数の個数: 32

約数和(自身を含む): 145643520

約数和(自身を除く): 79223656

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 27583, 55166, 110332, 193081, 220664, 386162, 772324, 1186069, 1544648, 2372138, 4744276, 8302483, 9488552, 16604966, 33209932, 66419864]

約数ペア:

[(1, 66419864), (2, 33209932), (4, 16604966), (7, 9488552), (8, 8302483), (14, 4744276), (28, 2372138), (43, 1544648), (56, 1186069), (86, 772324), (172, 386162), (301, 220664), (344, 193081), (602, 110332), (1204, 55166), (2408, 27583)]