71690738

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 126087168

約数和(自身を除く): 54396430

約数列:

[1, 2, 7, 14, 61, 122, 127, 254, 427, 661, 854, 889, 1322, 1778, 4627, 7747, 9254, 15494, 40321, 54229, 80642, 83947, 108458, 167894, 282247, 564494, 587629, 1175258, 5120767, 10241534, 35845369, 71690738]

約数ペア:

[(1, 71690738), (2, 35845369), (7, 10241534), (14, 5120767), (61, 1175258), (122, 587629), (127, 564494), (254, 282247), (427, 167894), (661, 108458), (854, 83947), (889, 80642), (1322, 54229), (1778, 40321), (4627, 15494), (7747, 9254)]