28978716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^2$

素因数の和:882

約数の個数: 36

約数和(自身を含む): 72987656

約数和(自身を除く): 44008940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 431, 862, 1293, 1724, 2586, 5172, 5603, 11206, 16809, 22412, 33618, 67236, 185761, 371522, 557283, 743044, 1114566, 2229132, 2414893, 4829786, 7244679, 9659572, 14489358, 28978716]

約数ペア:

[(1, 28978716), (2, 14489358), (3, 9659572), (4, 7244679), (6, 4829786), (12, 2414893), (13, 2229132), (26, 1114566), (39, 743044), (52, 557283), (78, 371522), (156, 185761), (431, 67236), (862, 33618), (1293, 22412), (1724, 16809), (2586, 11206), (5172, 5603)]