1213499138

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1\times {\mathrm{557}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 1908360000

約数和(自身を除く): 694860862

約数列:

[1, 2, 37, 59, 74, 118, 499, 557, 998, 1114, 2183, 4366, 18463, 20609, 29441, 32863, 36926, 41218, 58882, 65726, 277943, 555886, 1089317, 1215931, 2178634, 2431862, 10283891, 16398637, 20567782, 32797274, 606749569, 1213499138]

約数ペア:

[(1, 1213499138), (2, 606749569), (37, 32797274), (59, 20567782), (74, 16398637), (118, 10283891), (499, 2431862), (557, 2178634), (998, 1215931), (1114, 1089317), (2183, 555886), (4366, 277943), (18463, 65726), (20609, 58882), (29441, 41218), (32863, 36926)]