15971837

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 20563200

約数和(自身を除く): 4591363

約数列:

[1, 7, 19, 29, 41, 101, 133, 203, 287, 551, 707, 779, 1189, 1919, 2929, 3857, 4141, 5453, 8323, 13433, 20503, 22591, 28987, 55651, 78679, 120089, 158137, 389557, 550753, 840623, 2281691, 15971837]

約数ペア:

[(1, 15971837), (7, 2281691), (19, 840623), (29, 550753), (41, 389557), (101, 158137), (133, 120089), (203, 78679), (287, 55651), (551, 28987), (707, 22591), (779, 20503), (1189, 13433), (1919, 8323), (2929, 5453), (3857, 4141)]