28523845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 13408955

約数列:

[1, 5, 7, 19, 35, 59, 95, 133, 295, 413, 665, 727, 1121, 2065, 3635, 5089, 5605, 7847, 13813, 25445, 39235, 42893, 69065, 96691, 214465, 300251, 483455, 814967, 1501255, 4074835, 5704769, 28523845]

約数ペア:

[(1, 28523845), (5, 5704769), (7, 4074835), (19, 1501255), (35, 814967), (59, 483455), (95, 300251), (133, 214465), (295, 96691), (413, 69065), (665, 42893), (727, 39235), (1121, 25445), (2065, 13813), (3635, 7847), (5089, 5605)]