28978924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17977}}^1$

素因数の和:18025

約数の個数: 24

約数和(自身を含む): 56379008

約数和(自身を除く): 27400084

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 17977, 35954, 71908, 233701, 467402, 557287, 934804, 1114574, 2229148, 7244731, 14489462, 28978924]

約数ペア:

[(1, 28978924), (2, 14489462), (4, 7244731), (13, 2229148), (26, 1114574), (31, 934804), (52, 557287), (62, 467402), (124, 233701), (403, 71908), (806, 35954), (1612, 17977)]