66688664

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{12277}}^1$

素因数の和:12387

約数の個数: 32

約数和(自身を含む): 144389280

約数和(自身を除く): 77700616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 12277, 24554, 49108, 85939, 98216, 171878, 343756, 687512, 1190869, 2381738, 4763476, 8336083, 9526952, 16672166, 33344332, 66688664]

約数ペア:

[(1, 66688664), (2, 33344332), (4, 16672166), (7, 9526952), (8, 8336083), (14, 4763476), (28, 2381738), (56, 1190869), (97, 687512), (194, 343756), (388, 171878), (679, 98216), (776, 85939), (1358, 49108), (2716, 24554), (5432, 12277)]