28953670

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 53317440

約数和(自身を除く): 24363770

約数列:

[1, 2, 5, 10, 101, 109, 202, 218, 263, 505, 526, 545, 1010, 1090, 1315, 2630, 11009, 22018, 26563, 28667, 53126, 55045, 57334, 110090, 132815, 143335, 265630, 286670, 2895367, 5790734, 14476835, 28953670]

約数ペア:

[(1, 28953670), (2, 14476835), (5, 5790734), (10, 2895367), (101, 286670), (109, 265630), (202, 143335), (218, 132815), (263, 110090), (505, 57334), (526, 55045), (545, 53126), (1010, 28667), (1090, 26563), (1315, 22018), (2630, 11009)]