31239198

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 71843616

約数和(自身を除く): 40604418

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 1098, 1237, 1403, 2474, 2806, 3711, 4209, 7422, 8418, 11133, 12627, 22266, 25254, 28451, 56902, 75457, 85353, 150914, 170706, 226371, 256059, 452742, 512118, 679113, 1358226, 1735511, 3471022, 5206533, 10413066, 15619599, 31239198]

約数ペア:

[(1, 31239198), (2, 15619599), (3, 10413066), (6, 5206533), (9, 3471022), (18, 1735511), (23, 1358226), (46, 679113), (61, 512118), (69, 452742), (122, 256059), (138, 226371), (183, 170706), (207, 150914), (366, 85353), (414, 75457), (549, 56902), (1098, 28451), (1237, 25254), (1403, 22266), (2474, 12627), (2806, 11133), (3711, 8418), (4209, 7422)]