277209985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 372960000

約数和(自身を除く): 95750015

約数列:

[1, 5, 13, 29, 65, 145, 199, 377, 739, 995, 1885, 2587, 3695, 5771, 9607, 12935, 21431, 28855, 48035, 75023, 107155, 147061, 278603, 375115, 735305, 1393015, 1911793, 4264769, 9558965, 21323845, 55441997, 277209985]

約数ペア:

[(1, 277209985), (5, 55441997), (13, 21323845), (29, 9558965), (65, 4264769), (145, 1911793), (199, 1393015), (377, 735305), (739, 375115), (995, 278603), (1885, 147061), (2587, 107155), (3695, 75023), (5771, 48035), (9607, 28855), (12935, 21431)]