16861256

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 32508000

約数和(自身を除く): 15646744

約数列:

[1, 2, 4, 8, 59, 118, 139, 236, 257, 278, 472, 514, 556, 1028, 1112, 2056, 8201, 15163, 16402, 30326, 32804, 35723, 60652, 65608, 71446, 121304, 142892, 285784, 2107657, 4215314, 8430628, 16861256]

約数ペア:

[(1, 16861256), (2, 8430628), (4, 4215314), (8, 2107657), (59, 285784), (118, 142892), (139, 121304), (236, 71446), (257, 65608), (278, 60652), (472, 35723), (514, 32804), (556, 30326), (1028, 16402), (1112, 15163), (2056, 8201)]