620972065

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{613}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 864354816

約数和(自身を除く): 243382751

約数列:

[1, 5, 7, 35, 103, 281, 515, 613, 721, 1405, 1967, 3065, 3605, 4291, 9835, 21455, 28943, 63139, 144715, 172253, 202601, 315695, 441973, 861265, 1013005, 1205771, 2209865, 6028855, 17742059, 88710295, 124194413, 620972065]

約数ペア:

[(1, 620972065), (5, 124194413), (7, 88710295), (35, 17742059), (103, 6028855), (281, 2209865), (515, 1205771), (613, 1013005), (721, 861265), (1405, 441973), (1967, 315695), (3065, 202601), (3605, 172253), (4291, 144715), (9835, 63139), (21455, 28943)]