219410639

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 274627584

約数和(自身を除く): 55216945

約数列:

[1, 7, 23, 41, 43, 161, 287, 301, 773, 943, 989, 1763, 5411, 6601, 6923, 12341, 17779, 31693, 33239, 40549, 124453, 221851, 232673, 283843, 728939, 764497, 1362799, 5102573, 5351479, 9539593, 31344377, 219410639]

約数ペア:

[(1, 219410639), (7, 31344377), (23, 9539593), (41, 5351479), (43, 5102573), (161, 1362799), (287, 764497), (301, 728939), (773, 283843), (943, 232673), (989, 221851), (1763, 124453), (5411, 40549), (6601, 33239), (6923, 31693), (12341, 17779)]