78241904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{967}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 163843680

約数和(自身を除く): 85601776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 967, 1556, 1934, 3112, 3868, 5057, 6224, 7736, 10114, 12571, 15472, 20228, 25142, 40456, 50284, 80912, 100568, 201136, 376163, 752326, 1504652, 3009304, 4890119, 6018608, 9780238, 19560476, 39120952, 78241904]

約数ペア:

[(1, 78241904), (2, 39120952), (4, 19560476), (8, 9780238), (13, 6018608), (16, 4890119), (26, 3009304), (52, 1504652), (104, 752326), (208, 376163), (389, 201136), (778, 100568), (967, 80912), (1556, 50284), (1934, 40456), (3112, 25142), (3868, 20228), (5057, 15472), (6224, 12571), (7736, 10114)]