1981956

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 4967424

約数和(自身を除く): 2985468

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 167, 172, 258, 276, 334, 501, 516, 668, 989, 1002, 1978, 2004, 2967, 3841, 3956, 5934, 7181, 7682, 11523, 11868, 14362, 15364, 21543, 23046, 28724, 43086, 46092, 86172, 165163, 330326, 495489, 660652, 990978, 1981956]

約数ペア:

[(1, 1981956), (2, 990978), (3, 660652), (4, 495489), (6, 330326), (12, 165163), (23, 86172), (43, 46092), (46, 43086), (69, 28724), (86, 23046), (92, 21543), (129, 15364), (138, 14362), (167, 11868), (172, 11523), (258, 7682), (276, 7181), (334, 5934), (501, 3956), (516, 3841), (668, 2967), (989, 2004), (1002, 1978)]