12912996945

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{2131}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 21662484480

約数和(自身を除く): 8749487535

約数列:

[1, 3, 5, 15, 41, 59, 123, 167, 177, 205, 295, 501, 615, 835, 885, 2131, 2419, 2505, 6393, 6847, 7257, 9853, 10655, 12095, 20541, 29559, 31965, 34235, 36285, 49265, 87371, 102705, 125729, 147795, 262113, 355877, 377187, 403973, 436855, 628645, 1067631, 1211919, 1310565, 1779385, 1885935, 2019865, 5154889, 5338155, 6059595, 14590957, 15464667, 20996743, 25774445, 43772871, 62990229, 72954785, 77323335, 104983715, 218864355, 314951145, 860866463, 2582599389, 4304332315, 12912996945]

約数ペア:

[(1, 12912996945), (3, 4304332315), (5, 2582599389), (15, 860866463), (41, 314951145), (59, 218864355), (123, 104983715), (167, 77323335), (177, 72954785), (205, 62990229), (295, 43772871), (501, 25774445), (615, 20996743), (835, 15464667), (885, 14590957), (2131, 6059595), (2419, 5338155), (2505, 5154889), (6393, 2019865), (6847, 1885935), (7257, 1779385), (9853, 1310565), (10655, 1211919), (12095, 1067631), (20541, 628645), (29559, 436855), (31965, 403973), (34235, 377187), (36285, 355877), (49265, 262113), (87371, 147795), (102705, 125729)]