201561128

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 381888000

約数和(自身を除く): 180326872

約数列:

[1, 2, 4, 8, 239, 271, 389, 478, 542, 778, 956, 1084, 1556, 1912, 2168, 3112, 64769, 92971, 105419, 129538, 185942, 210838, 259076, 371884, 421676, 518152, 743768, 843352, 25195141, 50390282, 100780564, 201561128]

約数ペア:

[(1, 201561128), (2, 100780564), (4, 50390282), (8, 25195141), (239, 843352), (271, 743768), (389, 518152), (478, 421676), (542, 371884), (778, 259076), (956, 210838), (1084, 185942), (1556, 129538), (1912, 105419), (2168, 92971), (3112, 64769)]