161885306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 269568000

約数和(自身を除く): 107682694

約数列:

[1, 2, 11, 22, 103, 199, 206, 359, 398, 718, 1133, 2189, 2266, 3949, 4378, 7898, 20497, 36977, 40994, 71441, 73954, 142882, 225467, 406747, 450934, 785851, 813494, 1571702, 7358423, 14716846, 80942653, 161885306]

約数ペア:

[(1, 161885306), (2, 80942653), (11, 14716846), (22, 7358423), (103, 1571702), (199, 813494), (206, 785851), (359, 450934), (398, 406747), (718, 225467), (1133, 142882), (2189, 73954), (2266, 71441), (3949, 40994), (4378, 36977), (7898, 20497)]