2506498981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 3060817920

約数和(自身を除く): 554318939

約数列:

[1, 7, 19, 133, 137, 151, 911, 959, 1057, 2603, 2869, 6377, 17309, 18221, 20083, 20687, 121163, 124807, 137561, 144809, 393053, 873649, 962927, 2371333, 2613659, 2751371, 16599331, 18295613, 18845857, 131920999, 358071283, 2506498981]

約数ペア:

[(1, 2506498981), (7, 358071283), (19, 131920999), (133, 18845857), (137, 18295613), (151, 16599331), (911, 2751371), (959, 2613659), (1057, 2371333), (2603, 962927), (2869, 873649), (6377, 393053), (17309, 144809), (18221, 137561), (20083, 124807), (20687, 121163)]