291237415

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4093}}^1$

素因数の和:4231

約数の個数: 32

約数和(自身を含む): 424465920

約数和(自身を除く): 133228505

約数列:

[1, 5, 7, 19, 35, 95, 107, 133, 535, 665, 749, 2033, 3745, 4093, 10165, 14231, 20465, 28651, 71155, 77767, 143255, 388835, 437951, 544369, 2189755, 2721845, 3065657, 8321069, 15328285, 41605345, 58247483, 291237415]

約数ペア:

[(1, 291237415), (5, 58247483), (7, 41605345), (19, 15328285), (35, 8321069), (95, 3065657), (107, 2721845), (133, 2189755), (535, 544369), (665, 437951), (749, 388835), (2033, 143255), (3745, 77767), (4093, 71155), (10165, 28651), (14231, 20465)]