28880285

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 42128640

約数和(自身を除く): 13248355

約数列:

[1, 5, 7, 19, 35, 95, 133, 137, 317, 665, 685, 959, 1585, 2219, 2603, 4795, 6023, 11095, 13015, 18221, 30115, 42161, 43429, 91105, 210805, 217145, 304003, 825151, 1520015, 4125755, 5776057, 28880285]

約数ペア:

[(1, 28880285), (5, 5776057), (7, 4125755), (19, 1520015), (35, 825151), (95, 304003), (133, 217145), (137, 210805), (317, 91105), (665, 43429), (685, 42161), (959, 30115), (1585, 18221), (2219, 13015), (2603, 11095), (4795, 6023)]