645379748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{761}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 1247387904

約数和(自身を除く): 602008156

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 347, 611, 694, 761, 1222, 1388, 1522, 2444, 3044, 4511, 9022, 9893, 16309, 18044, 19786, 32618, 35767, 39572, 65236, 71534, 143068, 212017, 264067, 424034, 464971, 528134, 848068, 929942, 1056268, 1859884, 3432871, 6865742, 12411149, 13731484, 24822298, 49644596, 161344937, 322689874, 645379748]

約数ペア:

[(1, 645379748), (2, 322689874), (4, 161344937), (13, 49644596), (26, 24822298), (47, 13731484), (52, 12411149), (94, 6865742), (188, 3432871), (347, 1859884), (611, 1056268), (694, 929942), (761, 848068), (1222, 528134), (1388, 464971), (1522, 424034), (2444, 264067), (3044, 212017), (4511, 143068), (9022, 71534), (9893, 65236), (16309, 39572), (18044, 35767), (19786, 32618)]