1281296

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1178

約数の個数: 20

約数和(自身を含む): 2518812

約数和(自身を除く): 1237516

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1097, 1168, 2194, 4388, 8776, 17552, 80081, 160162, 320324, 640648, 1281296]

約数ペア:

[(1, 1281296), (2, 640648), (4, 320324), (8, 160162), (16, 80081), (73, 17552), (146, 8776), (292, 4388), (584, 2194), (1097, 1168)]