28100765

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10427}}^1$

素因数の和:10457

約数の個数: 24

約数和(自身を含む): 42796512

約数和(自身を除く): 14695747

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 10427, 52135, 72989, 114697, 364945, 510923, 573485, 802879, 2554615, 4014395, 5620153, 28100765]

約数ペア:

[(1, 28100765), (5, 5620153), (7, 4014395), (11, 2554615), (35, 802879), (49, 573485), (55, 510923), (77, 364945), (245, 114697), (385, 72989), (539, 52135), (2695, 10427)]