209754356

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 429055872

約数和(自身を除く): 219301516

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 227, 244, 427, 454, 541, 854, 908, 1082, 1589, 1708, 2164, 3178, 3787, 6356, 7574, 13847, 15148, 27694, 33001, 55388, 66002, 96929, 122807, 132004, 193858, 231007, 245614, 387716, 462014, 491228, 859649, 924028, 1719298, 3438596, 7491227, 14982454, 29964908, 52438589, 104877178, 209754356]

約数ペア:

[(1, 209754356), (2, 104877178), (4, 52438589), (7, 29964908), (14, 14982454), (28, 7491227), (61, 3438596), (122, 1719298), (227, 924028), (244, 859649), (427, 491228), (454, 462014), (541, 387716), (854, 245614), (908, 231007), (1082, 193858), (1589, 132004), (1708, 122807), (2164, 96929), (3178, 66002), (3787, 55388), (6356, 33001), (7574, 27694), (13847, 15148)]