247296985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 326269440

約数和(自身を除く): 78972455

約数列:

[1, 5, 13, 65, 101, 139, 271, 505, 695, 1313, 1355, 1807, 3523, 6565, 9035, 14039, 17615, 27371, 37669, 70195, 136855, 182507, 188345, 355823, 489697, 912535, 1779115, 2448485, 3804569, 19022845, 49459397, 247296985]

約数ペア:

[(1, 247296985), (5, 49459397), (13, 19022845), (65, 3804569), (101, 2448485), (139, 1779115), (271, 912535), (505, 489697), (695, 355823), (1313, 188345), (1355, 182507), (1807, 136855), (3523, 70195), (6565, 37669), (9035, 27371), (14039, 17615)]