820304478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1657}}^1\times {\mathrm{3929}}^1$

素因数の和:5601

約数の個数: 48

約数和(自身を含む): 2032973280

約数和(自身を除く): 1212668802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1657, 3314, 3929, 4971, 7858, 9942, 11599, 11787, 14913, 23198, 23574, 27503, 29826, 34797, 35361, 55006, 69594, 70722, 82509, 104391, 165018, 208782, 247527, 495054, 6510353, 13020706, 19531059, 39062118, 45572471, 58593177, 91144942, 117186354, 136717413, 273434826, 410152239, 820304478]

約数ペア:

[(1, 820304478), (2, 410152239), (3, 273434826), (6, 136717413), (7, 117186354), (9, 91144942), (14, 58593177), (18, 45572471), (21, 39062118), (42, 19531059), (63, 13020706), (126, 6510353), (1657, 495054), (3314, 247527), (3929, 208782), (4971, 165018), (7858, 104391), (9942, 82509), (11599, 70722), (11787, 69594), (14913, 55006), (23198, 35361), (23574, 34797), (27503, 29826)]