797998490

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{205141}}^1$

素因数の和:205537

約数の個数: 16

約数和(自身を含む): 1440096840

約数和(自身を除く): 642098350

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 205141, 410282, 1025705, 2051410, 79799849, 159599698, 398999245, 797998490]

約数ペア:

[(1, 797998490), (2, 398999245), (5, 159599698), (10, 79799849), (389, 2051410), (778, 1025705), (1945, 410282), (3890, 205141)]