1286896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1525424

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 269, 299, 368, 538, 598, 1076, 1196, 2152, 2392, 3497, 4304, 4784, 6187, 6994, 12374, 13988, 24748, 27976, 49496, 55952, 80431, 98992, 160862, 321724, 643448, 1286896]

約数ペア:

[(1, 1286896), (2, 643448), (4, 321724), (8, 160862), (13, 98992), (16, 80431), (23, 55952), (26, 49496), (46, 27976), (52, 24748), (92, 13988), (104, 12374), (184, 6994), (208, 6187), (269, 4784), (299, 4304), (368, 3497), (538, 2392), (598, 2152), (1076, 1196)]