68689025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 88518144

約数和(自身を除く): 19829119

約数列:

[1, 5, 25, 31, 155, 263, 337, 775, 1315, 1685, 6575, 8153, 8425, 10447, 40765, 52235, 88631, 203825, 261175, 443155, 2215775, 2747561, 13737805, 68689025]

約数ペア:

[(1, 68689025), (5, 13737805), (25, 2747561), (31, 2215775), (155, 443155), (263, 261175), (337, 203825), (775, 88631), (1315, 52235), (1685, 40765), (6575, 10447), (8153, 8425)]