51146478

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{1321}}^1$

素因数の和:1574

約数の個数: 40

約数和(自身を含む): 115172640

約数和(自身を除く): 64026162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 717, 1321, 1434, 2151, 2642, 3963, 4302, 6453, 7926, 11889, 12906, 19359, 23778, 35667, 38718, 71334, 107001, 214002, 315719, 631438, 947157, 1894314, 2841471, 5682942, 8524413, 17048826, 25573239, 51146478]

約数ペア:

[(1, 51146478), (2, 25573239), (3, 17048826), (6, 8524413), (9, 5682942), (18, 2841471), (27, 1894314), (54, 947157), (81, 631438), (162, 315719), (239, 214002), (478, 107001), (717, 71334), (1321, 38718), (1434, 35667), (2151, 23778), (2642, 19359), (3963, 12906), (4302, 11889), (6453, 7926)]