268604889

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 415134720

約数和(自身を除く): 146529831

約数列:

[1, 3, 7, 21, 131, 251, 389, 393, 753, 917, 1167, 1757, 2723, 2751, 5271, 8169, 32881, 50959, 97639, 98643, 152877, 230167, 292917, 356713, 683473, 690501, 1070139, 2050419, 12790709, 38372127, 89534963, 268604889]

約数ペア:

[(1, 268604889), (3, 89534963), (7, 38372127), (21, 12790709), (131, 2050419), (251, 1070139), (389, 690501), (393, 683473), (753, 356713), (917, 292917), (1167, 230167), (1757, 152877), (2723, 98643), (2751, 97639), (5271, 50959), (8169, 32881)]