27990942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 40437858

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 197, 199, 238, 357, 394, 398, 591, 597, 714, 1182, 1194, 1379, 1393, 2758, 2786, 3349, 3383, 4137, 4179, 6698, 6766, 8274, 8358, 10047, 10149, 20094, 20298, 23443, 23681, 39203, 46886, 47362, 70329, 71043, 78406, 117609, 140658, 142086, 235218, 274421, 548842, 666451, 823263, 1332902, 1646526, 1999353, 3998706, 4665157, 9330314, 13995471, 27990942]

約数ペア:

[(1, 27990942), (2, 13995471), (3, 9330314), (6, 4665157), (7, 3998706), (14, 1999353), (17, 1646526), (21, 1332902), (34, 823263), (42, 666451), (51, 548842), (102, 274421), (119, 235218), (197, 142086), (199, 140658), (238, 117609), (357, 78406), (394, 71043), (398, 70329), (591, 47362), (597, 46886), (714, 39203), (1182, 23681), (1194, 23443), (1379, 20298), (1393, 20094), (2758, 10149), (2786, 10047), (3349, 8358), (3383, 8274), (4137, 6766), (4179, 6698)]