213640784

素因数分解:

$2^4\times 7^2\times {\mathrm{379}}^1\times {\mathrm{719}}^1$

素因数の和:1120

約数の個数: 60

約数和(自身を含む): 483451200

約数和(自身を除く): 269810416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 379, 392, 719, 758, 784, 1438, 1516, 2653, 2876, 3032, 5033, 5306, 5752, 6064, 10066, 10612, 11504, 18571, 20132, 21224, 35231, 37142, 40264, 42448, 70462, 74284, 80528, 140924, 148568, 272501, 281848, 297136, 545002, 563696, 1090004, 1907507, 2180008, 3815014, 4360016, 7630028, 13352549, 15260056, 26705098, 30520112, 53410196, 106820392, 213640784]

約数ペア:

[(1, 213640784), (2, 106820392), (4, 53410196), (7, 30520112), (8, 26705098), (14, 15260056), (16, 13352549), (28, 7630028), (49, 4360016), (56, 3815014), (98, 2180008), (112, 1907507), (196, 1090004), (379, 563696), (392, 545002), (719, 297136), (758, 281848), (784, 272501), (1438, 148568), (1516, 140924), (2653, 80528), (2876, 74284), (3032, 70462), (5033, 42448), (5306, 40264), (5752, 37142), (6064, 35231), (10066, 21224), (10612, 20132), (11504, 18571)]