205006945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9887}}^1$

素因数の和:9945

約数の個数: 32

約数和(自身を含む): 299013120

約数和(自身を除く): 94006175

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 1595, 1885, 4147, 9887, 20735, 49435, 108757, 128531, 286723, 543785, 642655, 1413841, 1433615, 3153953, 3727399, 7069205, 15769765, 18636995, 41001389, 205006945]

約数ペア:

[(1, 205006945), (5, 41001389), (11, 18636995), (13, 15769765), (29, 7069205), (55, 3727399), (65, 3153953), (143, 1433615), (145, 1413841), (319, 642655), (377, 543785), (715, 286723), (1595, 128531), (1885, 108757), (4147, 49435), (9887, 20735)]