127721972

素因数分解:

$2^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{7229}}^1$

素因数の和:7871

約数の個数: 24

約数和(自身を含む): 255884160

約数和(自身を除く): 128162188

約数列:

[1, 2, 4, 7, 14, 28, 631, 1262, 2524, 4417, 7229, 8834, 14458, 17668, 28916, 50603, 101206, 202412, 4561499, 9122998, 18245996, 31930493, 63860986, 127721972]

約数ペア:

[(1, 127721972), (2, 63860986), (4, 31930493), (7, 18245996), (14, 9122998), (28, 4561499), (631, 202412), (1262, 101206), (2524, 50603), (4417, 28916), (7229, 17668), (8834, 14458)]