81485528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2341}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 161598000

約数和(自身を除く): 80112472

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 229, 458, 916, 1832, 2341, 4351, 4682, 8702, 9364, 17404, 18728, 34808, 44479, 88958, 177916, 355832, 536089, 1072178, 2144356, 4288712, 10185691, 20371382, 40742764, 81485528]

約数ペア:

[(1, 81485528), (2, 40742764), (4, 20371382), (8, 10185691), (19, 4288712), (38, 2144356), (76, 1072178), (152, 536089), (229, 355832), (458, 177916), (916, 88958), (1832, 44479), (2341, 34808), (4351, 18728), (4682, 17404), (8702, 9364)]