12779998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2677}}^1$

素因数の和:2728

約数の個数: 32

約数和(自身を含む): 24680448

約数和(自身を除く): 11900450

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 2677, 4774, 5354, 18739, 29447, 37478, 58894, 82987, 165974, 206129, 412258, 580909, 912857, 1161818, 1825714, 6389999, 12779998]

約数ペア:

[(1, 12779998), (2, 6389999), (7, 1825714), (11, 1161818), (14, 912857), (22, 580909), (31, 412258), (62, 206129), (77, 165974), (154, 82987), (217, 58894), (341, 37478), (434, 29447), (682, 18739), (2387, 5354), (2677, 4774)]