201669208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{19991}}^1$

素因数の和:20107

約数の個数: 32

約数和(自身を含む): 411435360

約数和(自身を除く): 209766152

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 2522, 5044, 10088, 19991, 39982, 79964, 159928, 259883, 519766, 1039532, 1939127, 2079064, 3878254, 7756508, 15513016, 25208651, 50417302, 100834604, 201669208]

約数ペア:

[(1, 201669208), (2, 100834604), (4, 50417302), (8, 25208651), (13, 15513016), (26, 7756508), (52, 3878254), (97, 2079064), (104, 1939127), (194, 1039532), (388, 519766), (776, 259883), (1261, 159928), (2522, 79964), (5044, 39982), (10088, 19991)]