31905902

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 59253120

約数和(自身を除く): 27347218

約数列:

[1, 2, 7, 14, 19, 38, 59, 107, 118, 133, 214, 266, 361, 413, 722, 749, 826, 1121, 1498, 2033, 2242, 2527, 4066, 5054, 6313, 7847, 12626, 14231, 15694, 21299, 28462, 38627, 42598, 44191, 77254, 88382, 119947, 149093, 239894, 270389, 298186, 540778, 839629, 1679258, 2278993, 4557986, 15952951, 31905902]

約数ペア:

[(1, 31905902), (2, 15952951), (7, 4557986), (14, 2278993), (19, 1679258), (38, 839629), (59, 540778), (107, 298186), (118, 270389), (133, 239894), (214, 149093), (266, 119947), (361, 88382), (413, 77254), (722, 44191), (749, 42598), (826, 38627), (1121, 28462), (1498, 21299), (2033, 15694), (2242, 14231), (2527, 12626), (4066, 7847), (5054, 6313)]