281649170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{20161}}^1$

素因数の和:20306

約数の個数: 32

約数和(自身を含む): 557438976

約数和(自身を除く): 275789806

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 13970, 20161, 40322, 100805, 201610, 221771, 443542, 1108855, 2217710, 2560447, 5120894, 12802235, 25604470, 28164917, 56329834, 140824585, 281649170]

約数ペア:

[(1, 281649170), (2, 140824585), (5, 56329834), (10, 28164917), (11, 25604470), (22, 12802235), (55, 5120894), (110, 2560447), (127, 2217710), (254, 1108855), (635, 443542), (1270, 221771), (1397, 201610), (2794, 100805), (6985, 40322), (13970, 20161)]