31589990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 59482080

約数和(自身を除く): 27892090

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 970, 1123, 2246, 2813, 5615, 5626, 11230, 14065, 28130, 32567, 65134, 108931, 162835, 217862, 325670, 544655, 1089310, 3158999, 6317998, 15794995, 31589990]

約数ペア:

[(1, 31589990), (2, 15794995), (5, 6317998), (10, 3158999), (29, 1089310), (58, 544655), (97, 325670), (145, 217862), (194, 162835), (290, 108931), (485, 65134), (970, 32567), (1123, 28130), (2246, 14065), (2813, 11230), (5615, 5626)]