128516248

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{32323}}^1$

素因数の和:32407

約数の個数: 32

約数和(自身を含む): 279279360

約数和(自身を除く): 150763112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 32323, 64646, 129292, 226261, 258584, 452522, 905044, 1810088, 2294933, 4589866, 9179732, 16064531, 18359464, 32129062, 64258124, 128516248]

約数ペア:

[(1, 128516248), (2, 64258124), (4, 32129062), (7, 18359464), (8, 16064531), (14, 9179732), (28, 4589866), (56, 2294933), (71, 1810088), (142, 905044), (284, 452522), (497, 258584), (568, 226261), (994, 129292), (1988, 64646), (3976, 32323)]