291497906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{12401}}^1$

素因数の和:12506

約数の個数: 32

約数和(自身を含む): 528622848

約数和(自身を除く): 237124942

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 1022, 1679, 3358, 11753, 12401, 23506, 24802, 86807, 173614, 285223, 570446, 905273, 1810546, 1996561, 3993122, 6336911, 12673822, 20821279, 41642558, 145748953, 291497906]

約数ペア:

[(1, 291497906), (2, 145748953), (7, 41642558), (14, 20821279), (23, 12673822), (46, 6336911), (73, 3993122), (146, 1996561), (161, 1810546), (322, 905273), (511, 570446), (1022, 285223), (1679, 173614), (3358, 86807), (11753, 24802), (12401, 23506)]