12919390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 25523424

約数和(自身を除く): 12604034

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 457, 514, 914, 1285, 2285, 2570, 2827, 4570, 5027, 5654, 10054, 14135, 25135, 28270, 50270, 117449, 234898, 587245, 1174490, 1291939, 2583878, 6459695, 12919390]

約数ペア:

[(1, 12919390), (2, 6459695), (5, 2583878), (10, 1291939), (11, 1174490), (22, 587245), (55, 234898), (110, 117449), (257, 50270), (457, 28270), (514, 25135), (914, 14135), (1285, 10054), (2285, 5654), (2570, 5027), (2827, 4570)]