203412157

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 246395520

約数和(自身を除く): 42983363

約数列:

[1, 13, 17, 19, 193, 221, 247, 251, 323, 2509, 3263, 3281, 3667, 4199, 4267, 4769, 42653, 47671, 48443, 55471, 61997, 62339, 81073, 629759, 810407, 823531, 920417, 1053949, 10705903, 11965421, 15647089, 203412157]

約数ペア:

[(1, 203412157), (13, 15647089), (17, 11965421), (19, 10705903), (193, 1053949), (221, 920417), (247, 823531), (251, 810407), (323, 629759), (2509, 81073), (3263, 62339), (3281, 61997), (3667, 55471), (4199, 48443), (4267, 47671), (4769, 42653)]