16990246

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 32465664

約数和(自身を除く): 15475418

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 167, 169, 182, 301, 334, 338, 559, 602, 1118, 1169, 1183, 2171, 2338, 2366, 3913, 4342, 7181, 7267, 7826, 14362, 14534, 15197, 28223, 30394, 50267, 50869, 56446, 93353, 100534, 101738, 186706, 197561, 395122, 653471, 1213589, 1306942, 2427178, 8495123, 16990246]

約数ペア:

[(1, 16990246), (2, 8495123), (7, 2427178), (13, 1306942), (14, 1213589), (26, 653471), (43, 395122), (86, 197561), (91, 186706), (167, 101738), (169, 100534), (182, 93353), (301, 56446), (334, 50869), (338, 50267), (559, 30394), (602, 28223), (1118, 15197), (1169, 14534), (1183, 14362), (2171, 7826), (2338, 7267), (2366, 7181), (3913, 4342)]