28430484

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 69672960

約数和(自身を除く): 41242476

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 239, 276, 431, 478, 717, 862, 956, 1293, 1434, 1724, 2586, 2868, 5172, 5497, 9913, 10994, 16491, 19826, 21988, 29739, 32982, 39652, 59478, 65964, 103009, 118956, 206018, 309027, 412036, 618054, 1236108, 2369207, 4738414, 7107621, 9476828, 14215242, 28430484]

約数ペア:

[(1, 28430484), (2, 14215242), (3, 9476828), (4, 7107621), (6, 4738414), (12, 2369207), (23, 1236108), (46, 618054), (69, 412036), (92, 309027), (138, 206018), (239, 118956), (276, 103009), (431, 65964), (478, 59478), (717, 39652), (862, 32982), (956, 29739), (1293, 21988), (1434, 19826), (1724, 16491), (2586, 10994), (2868, 9913), (5172, 5497)]