20131489138

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1\times {\mathrm{1187}}^1$

素因数の和:2422

約数の個数: 32

約数和(自身を含む): 31112294400

約数和(自身を除く): 10980805262

約数列:

[1, 2, 43, 86, 199, 398, 991, 1187, 1982, 2374, 8557, 17114, 42613, 51041, 85226, 102082, 197209, 236213, 394418, 472426, 1176317, 2352634, 8479987, 10157159, 16959974, 20314318, 50581631, 101163262, 234087083, 468174166, 10065744569, 20131489138]

約数ペア:

[(1, 20131489138), (2, 10065744569), (43, 468174166), (86, 234087083), (199, 101163262), (398, 50581631), (991, 20314318), (1187, 16959974), (1982, 10157159), (2374, 8479987), (8557, 2352634), (17114, 1176317), (42613, 472426), (51041, 394418), (85226, 236213), (102082, 197209)]