28987842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{371639}}^1$

素因数の和:371657

約数の個数: 16

約数和(自身を含む): 62435520

約数和(自身を除く): 33447678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 371639, 743278, 1114917, 2229834, 4831307, 9662614, 14493921, 28987842]

約数ペア:

[(1, 28987842), (2, 14493921), (3, 9662614), (6, 4831307), (13, 2229834), (26, 1114917), (39, 743278), (78, 371639)]