405236442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{51439}}^1$

素因数の和:51558

約数の個数: 32

約数和(自身を含む): 881475840

約数和(自身を除く): 476239398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 3939, 7878, 51439, 102878, 154317, 308634, 668707, 1337414, 2006121, 4012242, 5195339, 10390678, 15586017, 31172034, 67539407, 135078814, 202618221, 405236442]

約数ペア:

[(1, 405236442), (2, 202618221), (3, 135078814), (6, 67539407), (13, 31172034), (26, 15586017), (39, 10390678), (78, 5195339), (101, 4012242), (202, 2006121), (303, 1337414), (606, 668707), (1313, 308634), (2626, 154317), (3939, 102878), (7878, 51439)]