256024288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19907

約数の個数: 48

約数和(自身を含む): 560359296

約数和(自身を除く): 304335008

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 19853, 39706, 79412, 158824, 258089, 317648, 516178, 615443, 635296, 1032356, 1230886, 2064712, 2461772, 4129424, 4923544, 8000759, 8258848, 9847088, 16001518, 19694176, 32003036, 64006072, 128012144, 256024288]

約数ペア:

[(1, 256024288), (2, 128012144), (4, 64006072), (8, 32003036), (13, 19694176), (16, 16001518), (26, 9847088), (31, 8258848), (32, 8000759), (52, 4923544), (62, 4129424), (104, 2461772), (124, 2064712), (208, 1230886), (248, 1032356), (403, 635296), (416, 615443), (496, 516178), (806, 317648), (992, 258089), (1612, 158824), (3224, 79412), (6448, 39706), (12896, 19853)]