213721844

素因数分解:

$2^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{18217}}^1$

素因数の和:18647

約数の個数: 24

約数和(自身を含む): 428487360

約数和(自身を除く): 214765516

約数列:

[1, 2, 4, 7, 14, 28, 419, 838, 1676, 2933, 5866, 11732, 18217, 36434, 72868, 127519, 255038, 510076, 7632923, 15265846, 30531692, 53430461, 106860922, 213721844]

約数ペア:

[(1, 213721844), (2, 106860922), (4, 53430461), (7, 30531692), (14, 15265846), (28, 7632923), (419, 510076), (838, 255038), (1676, 127519), (2933, 72868), (5866, 36434), (11732, 18217)]