646254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 1677312

約数和(自身を除く): 1031058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 223, 322, 414, 446, 483, 669, 966, 1338, 1449, 1561, 2007, 2898, 3122, 4014, 4683, 5129, 9366, 10258, 14049, 15387, 28098, 30774, 35903, 46161, 71806, 92322, 107709, 215418, 323127, 646254]

約数ペア:

[(1, 646254), (2, 323127), (3, 215418), (6, 107709), (7, 92322), (9, 71806), (14, 46161), (18, 35903), (21, 30774), (23, 28098), (42, 15387), (46, 14049), (63, 10258), (69, 9366), (126, 5129), (138, 4683), (161, 4014), (207, 3122), (223, 2898), (322, 2007), (414, 1561), (446, 1449), (483, 1338), (669, 966)]