128487812

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{1447}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 228668160

約数和(自身を除く): 100180348

約数列:

[1, 2, 4, 79, 158, 281, 316, 562, 1124, 1447, 2894, 5788, 22199, 44398, 88796, 114313, 228626, 406607, 457252, 813214, 1626428, 32121953, 64243906, 128487812]

約数ペア:

[(1, 128487812), (2, 64243906), (4, 32121953), (79, 1626428), (158, 813214), (281, 457252), (316, 406607), (562, 228626), (1124, 114313), (1447, 88796), (2894, 44398), (5788, 22199)]