128866864

素因数分解:

$2^4\times 7^2\times {\mathrm{164371}}^1$

素因数の和:164393

約数の個数: 30

約数和(自身を含む): 290445324

約数和(自身を除く): 161578460

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 164371, 328742, 657484, 1150597, 1314968, 2301194, 2629936, 4602388, 8054179, 9204776, 16108358, 18409552, 32216716, 64433432, 128866864]

約数ペア:

[(1, 128866864), (2, 64433432), (4, 32216716), (7, 18409552), (8, 16108358), (14, 9204776), (16, 8054179), (28, 4602388), (49, 2629936), (56, 2301194), (98, 1314968), (112, 1150597), (196, 657484), (392, 328742), (784, 164371)]