128684036

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 263783520

約数和(自身を除く): 135099484

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 169, 172, 233, 247, 338, 466, 494, 559, 676, 817, 932, 988, 1118, 1634, 2236, 3029, 3211, 3268, 4427, 6058, 6422, 7267, 8854, 10019, 10621, 12116, 12844, 14534, 17708, 20038, 21242, 29068, 39377, 40076, 42484, 57551, 78754, 115102, 130247, 138073, 157508, 190361, 230204, 260494, 276146, 380722, 520988, 552292, 748163, 761444, 1496326, 1693211, 2474693, 2992652, 3386422, 4949386, 6772844, 9898772, 32171009, 64342018, 128684036]

約数ペア:

[(1, 128684036), (2, 64342018), (4, 32171009), (13, 9898772), (19, 6772844), (26, 4949386), (38, 3386422), (43, 2992652), (52, 2474693), (76, 1693211), (86, 1496326), (169, 761444), (172, 748163), (233, 552292), (247, 520988), (338, 380722), (466, 276146), (494, 260494), (559, 230204), (676, 190361), (817, 157508), (932, 138073), (988, 130247), (1118, 115102), (1634, 78754), (2236, 57551), (3029, 42484), (3211, 40076), (3268, 39377), (4427, 29068), (6058, 21242), (6422, 20038), (7267, 17708), (8854, 14534), (10019, 12844), (10621, 12116)]