213730385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{929}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 289267200

約数和(自身を除く): 75536815

約数列:

[1, 5, 11, 47, 55, 89, 235, 445, 517, 929, 979, 2585, 4183, 4645, 4895, 10219, 20915, 43663, 46013, 51095, 82681, 218315, 230065, 413405, 480293, 909491, 2401465, 3886007, 4547455, 19430035, 42746077, 213730385]

約数ペア:

[(1, 213730385), (5, 42746077), (11, 19430035), (47, 4547455), (55, 3886007), (89, 2401465), (235, 909491), (445, 480293), (517, 413405), (929, 230065), (979, 218315), (2585, 82681), (4183, 51095), (4645, 46013), (4895, 43663), (10219, 20915)]