128012144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19905

約数の個数: 40

約数和(自身を含む): 275732352

約数和(自身を除く): 147720208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 19853, 39706, 79412, 158824, 258089, 317648, 516178, 615443, 1032356, 1230886, 2064712, 2461772, 4129424, 4923544, 8000759, 9847088, 16001518, 32003036, 64006072, 128012144]

約数ペア:

[(1, 128012144), (2, 64006072), (4, 32003036), (8, 16001518), (13, 9847088), (16, 8000759), (26, 4923544), (31, 4129424), (52, 2461772), (62, 2064712), (104, 1230886), (124, 1032356), (208, 615443), (248, 516178), (403, 317648), (496, 258089), (806, 158824), (1612, 79412), (3224, 39706), (6448, 19853)]