209611925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{881}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 269482752

約数和(自身を除く): 59870827

約数列:

[1, 5, 25, 31, 155, 307, 775, 881, 1535, 4405, 7675, 9517, 22025, 27311, 47585, 136555, 237925, 270467, 682775, 1352335, 6761675, 8384477, 41922385, 209611925]

約数ペア:

[(1, 209611925), (5, 41922385), (25, 8384477), (31, 6761675), (155, 1352335), (307, 682775), (775, 270467), (881, 237925), (1535, 136555), (4405, 47585), (7675, 27311), (9517, 22025)]