1978888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 4003200

約数和(自身を除く): 2024312

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 277, 376, 554, 893, 1108, 1786, 2216, 3572, 5263, 7144, 10526, 13019, 21052, 26038, 42104, 52076, 104152, 247361, 494722, 989444, 1978888]

約数ペア:

[(1, 1978888), (2, 989444), (4, 494722), (8, 247361), (19, 104152), (38, 52076), (47, 42104), (76, 26038), (94, 21052), (152, 13019), (188, 10526), (277, 7144), (376, 5263), (554, 3572), (893, 2216), (1108, 1786)]