214908785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1669}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 318716160

約数和(自身を除く): 103807375

約数列:

[1, 5, 7, 13, 35, 65, 91, 283, 455, 1415, 1669, 1981, 3679, 8345, 9905, 11683, 18395, 21697, 25753, 58415, 108485, 128765, 151879, 472327, 759395, 2361635, 3306289, 6140251, 16531445, 30701255, 42981757, 214908785]

約数ペア:

[(1, 214908785), (5, 42981757), (7, 30701255), (13, 16531445), (35, 6140251), (65, 3306289), (91, 2361635), (283, 759395), (455, 472327), (1415, 151879), (1669, 128765), (1981, 108485), (3679, 58415), (8345, 25753), (9905, 21697), (11683, 18395)]