30405678

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2789}}^1$

素因数の和:2896

約数の個数: 32

約数和(自身を含む): 64281600

約数和(自身を除く): 33875922

約数列:

[1, 2, 3, 6, 23, 46, 69, 79, 138, 158, 237, 474, 1817, 2789, 3634, 5451, 5578, 8367, 10902, 16734, 64147, 128294, 192441, 220331, 384882, 440662, 660993, 1321986, 5067613, 10135226, 15202839, 30405678]

約数ペア:

[(1, 30405678), (2, 15202839), (3, 10135226), (6, 5067613), (23, 1321986), (46, 660993), (69, 440662), (79, 384882), (138, 220331), (158, 192441), (237, 128294), (474, 64147), (1817, 16734), (2789, 10902), (3634, 8367), (5451, 5578)]