128895025

素因数分解:

$5^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2659}}^1$

素因数の和:2953

約数の個数: 24

約数和(自身を含む): 183391040

約数和(自身を除く): 54496015

約数列:

[1, 5, 7, 25, 35, 175, 277, 1385, 1939, 2659, 6925, 9695, 13295, 18613, 48475, 66475, 93065, 465325, 736543, 3682715, 5155801, 18413575, 25779005, 128895025]

約数ペア:

[(1, 128895025), (5, 25779005), (7, 18413575), (25, 5155801), (35, 3682715), (175, 736543), (277, 465325), (1385, 93065), (1939, 66475), (2659, 48475), (6925, 18613), (9695, 13295)]