27478978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 17760062

約数列:

[1, 2, 19, 38, 43, 67, 86, 134, 251, 502, 817, 1273, 1634, 2546, 2881, 4769, 5762, 9538, 10793, 16817, 21586, 33634, 54739, 109478, 205067, 319523, 410134, 639046, 723131, 1446262, 13739489, 27478978]

約数ペア:

[(1, 27478978), (2, 13739489), (19, 1446262), (38, 723131), (43, 639046), (67, 410134), (86, 319523), (134, 205067), (251, 109478), (502, 54739), (817, 33634), (1273, 21586), (1634, 16817), (2546, 10793), (2881, 9538), (4769, 5762)]