255867366937

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{25643}}^1$

素因数の和:25910

約数の個数: 64

約数和(自身を含む): 344655360000

約数和(自身を除く): 88787993063

約数列:

[1, 7, 13, 19, 29, 91, 133, 199, 203, 247, 377, 551, 1393, 1729, 2587, 2639, 3781, 3857, 5771, 7163, 18109, 25643, 26467, 40397, 49153, 50141, 75023, 109649, 179501, 333359, 344071, 487217, 525161, 743647, 767543, 1425437, 2333513, 3410519, 5102957, 5205529, 6333821, 9667411, 9978059, 14129293, 35720699, 44336747, 66338441, 67671877, 96956183, 98905051, 147985753, 183680809, 464369087, 678693281, 1035900271, 1260430379, 1285765663, 1923814789, 2811729307, 8823012653, 13466703523, 19682105149, 36552480991, 255867366937]

約数ペア:

[(1, 255867366937), (7, 36552480991), (13, 19682105149), (19, 13466703523), (29, 8823012653), (91, 2811729307), (133, 1923814789), (199, 1285765663), (203, 1260430379), (247, 1035900271), (377, 678693281), (551, 464369087), (1393, 183680809), (1729, 147985753), (2587, 98905051), (2639, 96956183), (3781, 67671877), (3857, 66338441), (5771, 44336747), (7163, 35720699), (18109, 14129293), (25643, 9978059), (26467, 9667411), (40397, 6333821), (49153, 5205529), (50141, 5102957), (75023, 3410519), (109649, 2333513), (179501, 1425437), (333359, 767543), (344071, 743647), (487217, 525161)]