668195591

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5009}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 865728000

約数和(自身を除く): 197532409

約数列:

[1, 7, 17, 19, 59, 119, 133, 323, 413, 1003, 1121, 2261, 5009, 7021, 7847, 19057, 35063, 85153, 95171, 133399, 295531, 596071, 666197, 1617907, 2068717, 5024027, 5615089, 11325349, 35168189, 39305623, 95456513, 668195591]

約数ペア:

[(1, 668195591), (7, 95456513), (17, 39305623), (19, 35168189), (59, 11325349), (119, 5615089), (133, 5024027), (323, 2068717), (413, 1617907), (1003, 666197), (1121, 596071), (2261, 295531), (5009, 133399), (7021, 95171), (7847, 85153), (19057, 35063)]