6981728

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{1291}}^1$

素因数の和:1327

約数の個数: 36

約数和(自身を含む): 14895468

約数和(自身を除く): 7913740

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1291, 1352, 2582, 2704, 5164, 5408, 10328, 16783, 20656, 33566, 41312, 67132, 134264, 218179, 268528, 436358, 537056, 872716, 1745432, 3490864, 6981728]

約数ペア:

[(1, 6981728), (2, 3490864), (4, 1745432), (8, 872716), (13, 537056), (16, 436358), (26, 268528), (32, 218179), (52, 134264), (104, 67132), (169, 41312), (208, 33566), (338, 20656), (416, 16783), (676, 10328), (1291, 5408), (1352, 5164), (2582, 2704)]