208045617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 306343296

約数和(自身を除く): 98297679

約数列:

[1, 3, 13, 39, 53, 159, 251, 401, 689, 753, 1203, 2067, 3263, 5213, 9789, 13303, 15639, 21253, 39909, 63759, 100651, 172939, 276289, 301953, 518817, 828867, 1308463, 3925389, 5334503, 16003509, 69348539, 208045617]

約数ペア:

[(1, 208045617), (3, 69348539), (13, 16003509), (39, 5334503), (53, 3925389), (159, 1308463), (251, 828867), (401, 518817), (689, 301953), (753, 276289), (1203, 172939), (2067, 100651), (3263, 63759), (5213, 39909), (9789, 21253), (13303, 15639)]