16263890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 30317760

約数和(自身を除く): 14053870

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 347, 430, 545, 694, 1090, 1735, 3470, 4687, 9374, 14921, 23435, 29842, 37823, 46870, 74605, 75646, 149210, 189115, 378230, 1626389, 3252778, 8131945, 16263890]

約数ペア:

[(1, 16263890), (2, 8131945), (5, 3252778), (10, 1626389), (43, 378230), (86, 189115), (109, 149210), (215, 75646), (218, 74605), (347, 46870), (430, 37823), (545, 29842), (694, 23435), (1090, 14921), (1735, 9374), (3470, 4687)]