16721068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 19857236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 647, 923, 994, 1294, 1846, 1988, 2588, 3692, 4529, 6461, 8411, 9058, 12922, 16822, 18116, 25844, 33644, 45937, 58877, 91874, 117754, 183748, 235508, 321559, 597181, 643118, 1194362, 1286236, 2388724, 4180267, 8360534, 16721068]

約数ペア:

[(1, 16721068), (2, 8360534), (4, 4180267), (7, 2388724), (13, 1286236), (14, 1194362), (26, 643118), (28, 597181), (52, 321559), (71, 235508), (91, 183748), (142, 117754), (182, 91874), (284, 58877), (364, 45937), (497, 33644), (647, 25844), (923, 18116), (994, 16822), (1294, 12922), (1846, 9058), (1988, 8411), (2588, 6461), (3692, 4529)]