2161822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 3804192

約数和(自身を除く): 1642370

約数列:

[1, 2, 13, 17, 26, 34, 67, 73, 134, 146, 221, 442, 871, 949, 1139, 1241, 1742, 1898, 2278, 2482, 4891, 9782, 14807, 16133, 29614, 32266, 63583, 83147, 127166, 166294, 1080911, 2161822]

約数ペア:

[(1, 2161822), (2, 1080911), (13, 166294), (17, 127166), (26, 83147), (34, 63583), (67, 32266), (73, 29614), (134, 16133), (146, 14807), (221, 9782), (442, 4891), (871, 2482), (949, 2278), (1139, 1898), (1241, 1742)]