2017861645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{1049}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 2594592000

約数和(自身を除く): 576730355

約数列:

[1, 5, 23, 43, 115, 215, 389, 989, 1049, 1945, 4945, 5245, 8947, 16727, 24127, 44735, 45107, 83635, 120635, 225535, 384721, 408061, 1037461, 1923605, 2040305, 5187305, 9385403, 17546623, 46927015, 87733115, 403572329, 2017861645]

約数ペア:

[(1, 2017861645), (5, 403572329), (23, 87733115), (43, 46927015), (115, 17546623), (215, 9385403), (389, 5187305), (989, 2040305), (1049, 1923605), (1945, 1037461), (4945, 408061), (5245, 384721), (8947, 225535), (16727, 120635), (24127, 83635), (44735, 45107)]