123648412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{20431}}^1$

素因数の和:20541

約数の個数: 24

約数和(自身を含む): 231698880

約数和(自身を除く): 108050468

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 20431, 40862, 81724, 347327, 694654, 1389308, 1818359, 3636718, 7273436, 30912103, 61824206, 123648412]

約数ペア:

[(1, 123648412), (2, 61824206), (4, 30912103), (17, 7273436), (34, 3636718), (68, 1818359), (89, 1389308), (178, 694654), (356, 347327), (1513, 81724), (3026, 40862), (6052, 20431)]