1638832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7900

約数の個数: 20

約数和(自身を含む): 3419920

約数和(自身を除く): 1781088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7879, 15758, 31516, 63032, 102427, 126064, 204854, 409708, 819416, 1638832]

約数ペア:

[(1, 1638832), (2, 819416), (4, 409708), (8, 204854), (13, 126064), (16, 102427), (26, 63032), (52, 31516), (104, 15758), (208, 7879)]