216820408

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{11489}}^1$

素因数の和:11839

約数の個数: 32

約数和(自身を含む): 466034400

約数和(自身を除く): 249213992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1348, 2359, 2696, 4718, 9436, 11489, 18872, 22978, 45956, 80423, 91912, 160846, 321692, 643384, 3871793, 7743586, 15487172, 27102551, 30974344, 54205102, 108410204, 216820408]

約数ペア:

[(1, 216820408), (2, 108410204), (4, 54205102), (7, 30974344), (8, 27102551), (14, 15487172), (28, 7743586), (56, 3871793), (337, 643384), (674, 321692), (1348, 160846), (2359, 91912), (2696, 80423), (4718, 45956), (9436, 22978), (11489, 18872)]