645877512

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1281503}}^1$

素因数の和:1281522

約数の個数: 48

約数和(自身を含む): 1999146240

約数和(自身を除く): 1353268728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1281503, 2563006, 3844509, 5126012, 7689018, 8970521, 10252024, 11533527, 15378036, 17941042, 23067054, 26911563, 30756072, 35882084, 46134108, 53823126, 71764168, 80734689, 92268216, 107646252, 161469378, 215292504, 322938756, 645877512]

約数ペア:

[(1, 645877512), (2, 322938756), (3, 215292504), (4, 161469378), (6, 107646252), (7, 92268216), (8, 80734689), (9, 71764168), (12, 53823126), (14, 46134108), (18, 35882084), (21, 30756072), (24, 26911563), (28, 23067054), (36, 17941042), (42, 15378036), (56, 11533527), (63, 10252024), (72, 8970521), (84, 7689018), (126, 5126012), (168, 3844509), (252, 2563006), (504, 1281503)]