8941990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 16632864

約数和(自身を除く): 7690874

約数列:

[1, 2, 5, 10, 61, 107, 122, 137, 214, 274, 305, 535, 610, 685, 1070, 1370, 6527, 8357, 13054, 14659, 16714, 29318, 32635, 41785, 65270, 73295, 83570, 146590, 894199, 1788398, 4470995, 8941990]

約数ペア:

[(1, 8941990), (2, 4470995), (5, 1788398), (10, 894199), (61, 146590), (107, 83570), (122, 73295), (137, 65270), (214, 41785), (274, 32635), (305, 29318), (535, 16714), (610, 14659), (685, 13054), (1070, 8357), (1370, 6527)]