16971493

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 23097312

約数和(自身を除く): 6125819

約数列:

[1, 7, 11, 23, 37, 49, 77, 161, 253, 259, 407, 539, 851, 1127, 1369, 1771, 1813, 2849, 5957, 9361, 9583, 12397, 15059, 19943, 31487, 41699, 65527, 67081, 105413, 220409, 346357, 458689, 737891, 1542863, 2424499, 16971493]

約数ペア:

[(1, 16971493), (7, 2424499), (11, 1542863), (23, 737891), (37, 458689), (49, 346357), (77, 220409), (161, 105413), (253, 67081), (259, 65527), (407, 41699), (539, 31487), (851, 19943), (1127, 15059), (1369, 12397), (1771, 9583), (1813, 9361), (2849, 5957)]