80997904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16931}}^1$

素因数の和:16975

約数の個数: 40

約数和(自身を含む): 176363712

約数和(自身を除く): 95365808

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 16931, 33862, 67724, 135448, 220103, 270896, 389413, 440206, 778826, 880412, 1557652, 1760824, 3115304, 3521648, 5062369, 6230608, 10124738, 20249476, 40498952, 80997904]

約数ペア:

[(1, 80997904), (2, 40498952), (4, 20249476), (8, 10124738), (13, 6230608), (16, 5062369), (23, 3521648), (26, 3115304), (46, 1760824), (52, 1557652), (92, 880412), (104, 778826), (184, 440206), (208, 389413), (299, 270896), (368, 220103), (598, 135448), (1196, 67724), (2392, 33862), (4784, 16931)]