31978234

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 51788160

約数和(自身を除く): 19809926

約数列:

[1, 2, 23, 46, 73, 89, 107, 146, 178, 214, 1679, 2047, 2461, 3358, 4094, 4922, 6497, 7811, 9523, 12994, 15622, 19046, 149431, 179653, 219029, 298862, 359306, 438058, 695179, 1390358, 15989117, 31978234]

約数ペア:

[(1, 31978234), (2, 15989117), (23, 1390358), (46, 695179), (73, 438058), (89, 359306), (107, 298862), (146, 219029), (178, 179653), (214, 149431), (1679, 19046), (2047, 15622), (2461, 12994), (3358, 9523), (4094, 7811), (4922, 6497)]