199471012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 386294832

約数和(自身を除く): 186823820

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 157, 212, 314, 461, 628, 689, 922, 1378, 1844, 2041, 2756, 4082, 5993, 8164, 8321, 11986, 16642, 23972, 24433, 33284, 48866, 72377, 97732, 108173, 144754, 216346, 289508, 317629, 432692, 635258, 940901, 1270516, 1881802, 3763604, 3835981, 7671962, 15343924, 49867753, 99735506, 199471012]

約数ペア:

[(1, 199471012), (2, 99735506), (4, 49867753), (13, 15343924), (26, 7671962), (52, 3835981), (53, 3763604), (106, 1881802), (157, 1270516), (212, 940901), (314, 635258), (461, 432692), (628, 317629), (689, 289508), (922, 216346), (1378, 144754), (1844, 108173), (2041, 97732), (2756, 72377), (4082, 48866), (5993, 33284), (8164, 24433), (8321, 23972), (11986, 16642)]