221421044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{31081}}^1$

素因数の和:31235

約数の個数: 24

約数和(自身を含む): 420352968

約数和(自身を除く): 198931924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 31081, 62162, 124324, 404053, 808106, 1616212, 4258097, 8516194, 17032388, 55355261, 110710522, 221421044]

約数ペア:

[(1, 221421044), (2, 110710522), (4, 55355261), (13, 17032388), (26, 8516194), (52, 4258097), (137, 1616212), (274, 808106), (548, 404053), (1781, 124324), (3562, 62162), (7124, 31081)]