27811030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 57028608

約数和(自身を除く): 29217578

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 67, 103, 130, 134, 155, 206, 310, 335, 403, 515, 670, 806, 871, 1030, 1339, 1742, 2015, 2077, 2678, 3193, 4030, 4154, 4355, 6386, 6695, 6901, 8710, 10385, 13390, 13802, 15965, 20770, 27001, 31930, 34505, 41509, 54002, 69010, 83018, 89713, 135005, 179426, 207545, 213931, 270010, 415090, 427862, 448565, 897130, 1069655, 2139310, 2781103, 5562206, 13905515, 27811030]

約数ペア:

[(1, 27811030), (2, 13905515), (5, 5562206), (10, 2781103), (13, 2139310), (26, 1069655), (31, 897130), (62, 448565), (65, 427862), (67, 415090), (103, 270010), (130, 213931), (134, 207545), (155, 179426), (206, 135005), (310, 89713), (335, 83018), (403, 69010), (515, 54002), (670, 41509), (806, 34505), (871, 31930), (1030, 27001), (1339, 20770), (1742, 15965), (2015, 13802), (2077, 13390), (2678, 10385), (3193, 8710), (4030, 6901), (4154, 6695), (4355, 6386)]