169513345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 220682880

約数和(自身を除く): 51169535

約数列:

[1, 5, 19, 53, 95, 131, 257, 265, 655, 1007, 1285, 2489, 4883, 5035, 6943, 12445, 13621, 24415, 33667, 34715, 68105, 131917, 168335, 258799, 639673, 659585, 1293995, 1784351, 3198365, 8921755, 33902669, 169513345]

約数ペア:

[(1, 169513345), (5, 33902669), (19, 8921755), (53, 3198365), (95, 1784351), (131, 1293995), (257, 659585), (265, 639673), (655, 258799), (1007, 168335), (1285, 131917), (2489, 68105), (4883, 34715), (5035, 33667), (6943, 24415), (12445, 13621)]