393302584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{16481}}^1$

素因数の和:16663

約数の個数: 32

約数和(自身を含む): 781246800

約数和(自身を除く): 387944216

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 1256, 2983, 5966, 11932, 16481, 23864, 32962, 65924, 131848, 313139, 626278, 1252556, 2505112, 2587517, 5175034, 10350068, 20700136, 49162823, 98325646, 196651292, 393302584]

約数ペア:

[(1, 393302584), (2, 196651292), (4, 98325646), (8, 49162823), (19, 20700136), (38, 10350068), (76, 5175034), (152, 2587517), (157, 2505112), (314, 1252556), (628, 626278), (1256, 313139), (2983, 131848), (5966, 65924), (11932, 32962), (16481, 23864)]