648996416

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{79847}}^1$

素因数の和:79986

約数の個数: 28

約数和(自身を含む): 1298009088

約数和(自身を除く): 649012672

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 79847, 159694, 319388, 638776, 1277552, 2555104, 5110208, 10140569, 20281138, 40562276, 81124552, 162249104, 324498208, 648996416]

約数ペア:

[(1, 648996416), (2, 324498208), (4, 162249104), (8, 81124552), (16, 40562276), (32, 20281138), (64, 10140569), (127, 5110208), (254, 2555104), (508, 1277552), (1016, 638776), (2032, 319388), (4064, 159694), (8128, 79847)]