1561118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:731

約数の個数: 16

約数和(自身を含む): 2551920

約数和(自身を除く): 990802

約数列:

[1, 2, 13, 26, 97, 194, 619, 1238, 1261, 2522, 8047, 16094, 60043, 120086, 780559, 1561118]

約数ペア:

[(1, 1561118), (2, 780559), (13, 120086), (26, 60043), (97, 16094), (194, 8047), (619, 2522), (1238, 1261)]