16689257

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 19777176

約数和(自身を除く): 3087919

約数列:

[1, 13, 17, 37, 157, 169, 221, 481, 629, 2041, 2669, 2873, 5809, 6253, 8177, 26533, 34697, 75517, 98753, 106301, 451061, 981721, 1283789, 16689257]

約数ペア:

[(1, 16689257), (13, 1283789), (17, 981721), (37, 451061), (157, 106301), (169, 98753), (221, 75517), (481, 34697), (629, 26533), (2041, 8177), (2669, 6253), (2873, 5809)]