278049149

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{1237}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 321602688

約数和(自身を除く): 43553539

約数列:

[1, 7, 163, 197, 1141, 1237, 1379, 8659, 32111, 201631, 224777, 243689, 1411417, 1705823, 39721307, 278049149]

約数ペア:

[(1, 278049149), (7, 39721307), (163, 1705823), (197, 1411417), (1141, 243689), (1237, 224777), (1379, 201631), (8659, 32111)]