15661867208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1\times {\mathrm{2203}}^1$

素因数の和:2766

約数の個数: 64

約数和(自身を含む): 31891527360

約数和(自身を除く): 16229660152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 347, 394, 694, 788, 1388, 1576, 2203, 2561, 2776, 4406, 4511, 5122, 8812, 9022, 10244, 17624, 18044, 20488, 28639, 36088, 57278, 68359, 114556, 136718, 229112, 273436, 433991, 546872, 764441, 867982, 888667, 1528882, 1735964, 1777334, 3057764, 3471928, 3554668, 5641883, 6115528, 7109336, 9937733, 11283766, 19875466, 22567532, 39750932, 45135064, 79501864, 150594877, 301189754, 602379508, 1204759016, 1957733401, 3915466802, 7830933604, 15661867208]

約数ペア:

[(1, 15661867208), (2, 7830933604), (4, 3915466802), (8, 1957733401), (13, 1204759016), (26, 602379508), (52, 301189754), (104, 150594877), (197, 79501864), (347, 45135064), (394, 39750932), (694, 22567532), (788, 19875466), (1388, 11283766), (1576, 9937733), (2203, 7109336), (2561, 6115528), (2776, 5641883), (4406, 3554668), (4511, 3471928), (5122, 3057764), (8812, 1777334), (9022, 1735964), (10244, 1528882), (17624, 888667), (18044, 867982), (20488, 764441), (28639, 546872), (36088, 433991), (57278, 273436), (68359, 229112), (114556, 136718)]