61904983

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 80668800

約数和(自身を除く): 18763817

約数列:

[1, 7, 19, 23, 49, 59, 133, 161, 343, 413, 437, 931, 1121, 1127, 1357, 2401, 2891, 3059, 6517, 7847, 7889, 9499, 20237, 21413, 25783, 45619, 54929, 55223, 66493, 141659, 149891, 180481, 384503, 465451, 1049237, 1263367, 2691521, 3258157, 8843569, 61904983]

約数ペア:

[(1, 61904983), (7, 8843569), (19, 3258157), (23, 2691521), (49, 1263367), (59, 1049237), (133, 465451), (161, 384503), (343, 180481), (413, 149891), (437, 141659), (931, 66493), (1121, 55223), (1127, 54929), (1357, 45619), (2401, 25783), (2891, 21413), (3059, 20237), (6517, 9499), (7847, 7889)]