28688058

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1021}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 71425536

約数和(自身を除く): 42737478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223, 446, 669, 1021, 1338, 1561, 2007, 2042, 3063, 3122, 4014, 4683, 6126, 7147, 9189, 9366, 14049, 14294, 18378, 21441, 28098, 42882, 64323, 128646, 227683, 455366, 683049, 1366098, 1593781, 2049147, 3187562, 4098294, 4781343, 9562686, 14344029, 28688058]

約数ペア:

[(1, 28688058), (2, 14344029), (3, 9562686), (6, 4781343), (7, 4098294), (9, 3187562), (14, 2049147), (18, 1593781), (21, 1366098), (42, 683049), (63, 455366), (126, 227683), (223, 128646), (446, 64323), (669, 42882), (1021, 28098), (1338, 21441), (1561, 18378), (2007, 14294), (2042, 14049), (3063, 9366), (3122, 9189), (4014, 7147), (4683, 6126)]