71821036

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{16987}}^1$

素因数の和:17149

約数の個数: 24

約数和(自身を含む): 144601856

約数和(自身を除く): 72780820

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 16987, 33974, 67948, 118909, 237818, 475636, 2565037, 5130074, 10260148, 17955259, 35910518, 71821036]

約数ペア:

[(1, 71821036), (2, 35910518), (4, 17955259), (7, 10260148), (14, 5130074), (28, 2565037), (151, 475636), (302, 237818), (604, 118909), (1057, 67948), (2114, 33974), (4228, 16987)]