128546138

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{1723}}^1$

素因数の和:1878

約数の個数: 24

約数和(自身を含む): 223554528

約数和(自身を除く): 95008390

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 1723, 3446, 5329, 10658, 12061, 24122, 37303, 74606, 125779, 251558, 880453, 1760906, 9181867, 18363734, 64273069, 128546138]

約数ペア:

[(1, 128546138), (2, 64273069), (7, 18363734), (14, 9181867), (73, 1760906), (146, 880453), (511, 251558), (1022, 125779), (1723, 74606), (3446, 37303), (5329, 24122), (10658, 12061)]