206874395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3271}}^1$

素因数の和:3435

約数の個数: 32

約数和(自身を含む): 307829760

約数和(自身を除く): 100955365

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 455, 695, 973, 1807, 3271, 4865, 9035, 12649, 16355, 22897, 42523, 63245, 114485, 212615, 297661, 454669, 1488305, 2273345, 3182683, 5910697, 15913415, 29553485, 41374879, 206874395]

約数ペア:

[(1, 206874395), (5, 41374879), (7, 29553485), (13, 15913415), (35, 5910697), (65, 3182683), (91, 2273345), (139, 1488305), (455, 454669), (695, 297661), (973, 212615), (1807, 114485), (3271, 63245), (4865, 42523), (9035, 22897), (12649, 16355)]