305508728

素因数分解:

$2^3\times 7^3\times {\mathrm{111337}}^1$

素因数の和:111364

約数の個数: 32

約数和(自身を含む): 668028000

約数和(自身を除く): 362519272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 111337, 222674, 445348, 779359, 890696, 1558718, 3117436, 5455513, 6234872, 10911026, 21822052, 38188591, 43644104, 76377182, 152754364, 305508728]

約数ペア:

[(1, 305508728), (2, 152754364), (4, 76377182), (7, 43644104), (8, 38188591), (14, 21822052), (28, 10911026), (49, 6234872), (56, 5455513), (98, 3117436), (196, 1558718), (343, 890696), (392, 779359), (686, 445348), (1372, 222674), (2744, 111337)]