128072784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{381169}}^1$

素因数の和:381187

約数の個数: 40

約数和(自身を含む): 378120640

約数和(自身を除く): 250047856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 381169, 762338, 1143507, 1524676, 2287014, 2668183, 3049352, 4574028, 5336366, 6098704, 8004549, 9148056, 10672732, 16009098, 18296112, 21345464, 32018196, 42690928, 64036392, 128072784]

約数ペア:

[(1, 128072784), (2, 64036392), (3, 42690928), (4, 32018196), (6, 21345464), (7, 18296112), (8, 16009098), (12, 10672732), (14, 9148056), (16, 8004549), (21, 6098704), (24, 5336366), (28, 4574028), (42, 3049352), (48, 2668183), (56, 2287014), (84, 1524676), (112, 1143507), (168, 762338), (336, 381169)]