2978896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 6249600

約数和(自身を除く): 3270704

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 239, 304, 328, 478, 656, 779, 956, 1558, 1912, 3116, 3824, 4541, 6232, 9082, 9799, 12464, 18164, 19598, 36328, 39196, 72656, 78392, 156784, 186181, 372362, 744724, 1489448, 2978896]

約数ペア:

[(1, 2978896), (2, 1489448), (4, 744724), (8, 372362), (16, 186181), (19, 156784), (38, 78392), (41, 72656), (76, 39196), (82, 36328), (152, 19598), (164, 18164), (239, 12464), (304, 9799), (328, 9082), (478, 6232), (656, 4541), (779, 3824), (956, 3116), (1558, 1912)]