661330660025

素因数分解:

$5^2\times 7^1\times {\mathrm{28411}}^1\times {\mathrm{133013}}^1$

素因数の和:161441

約数の個数: 24

約数和(自身を含む): 937240054464

約数和(自身を除く): 275909394439

約数列:

[1, 5, 7, 25, 35, 175, 28411, 133013, 142055, 198877, 665065, 710275, 931091, 994385, 3325325, 4655455, 4971925, 23277275, 3779032343, 18895161715, 26453226401, 94475808575, 132266132005, 661330660025]

約数ペア:

[(1, 661330660025), (5, 132266132005), (7, 94475808575), (25, 26453226401), (35, 18895161715), (175, 3779032343), (28411, 23277275), (133013, 4971925), (142055, 4655455), (198877, 3325325), (665065, 994385), (710275, 931091)]