16890055

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5303}}^1$

素因数の和:5335

約数の個数: 24

約数和(自身を含む): 25395552

約数和(自身を除く): 8505497

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 5303, 26515, 37121, 68939, 185605, 259847, 344695, 482573, 1299235, 2412865, 3378011, 16890055]

約数ペア:

[(1, 16890055), (5, 3378011), (7, 2412865), (13, 1299235), (35, 482573), (49, 344695), (65, 259847), (91, 185605), (245, 68939), (455, 37121), (637, 26515), (3185, 5303)]