256436705

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1\times {\mathrm{541}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 365264640

約数和(自身を除く): 108827935

約数列:

[1, 5, 7, 29, 35, 145, 203, 467, 541, 1015, 2335, 2705, 3269, 3787, 13543, 15689, 16345, 18935, 67715, 78445, 94801, 109823, 252647, 474005, 549115, 1263235, 1768529, 7326763, 8842645, 36633815, 51287341, 256436705]

約数ペア:

[(1, 256436705), (5, 51287341), (7, 36633815), (29, 8842645), (35, 7326763), (145, 1768529), (203, 1263235), (467, 549115), (541, 474005), (1015, 252647), (2335, 109823), (2705, 94801), (3269, 78445), (3787, 67715), (13543, 18935), (15689, 16345)]