128202025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38557}}^1$

素因数の和:38593

約数の個数: 24

約数和(自身を含む): 191247680

約数和(自身を除く): 63045655

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 38557, 192785, 269899, 732583, 963925, 1349495, 3662915, 5128081, 6747475, 18314575, 25640405, 128202025]

約数ペア:

[(1, 128202025), (5, 25640405), (7, 18314575), (19, 6747475), (25, 5128081), (35, 3662915), (95, 1349495), (133, 963925), (175, 732583), (475, 269899), (665, 192785), (3325, 38557)]