644257792

素因数分解:

$2^{11}\times {\mathrm{127}}^1\times {\mathrm{2477}}^1$

素因数の和:2626

約数の個数: 48

約数和(自身を含む): 1298868480

約数和(自身を除く): 654610688

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 1024, 2032, 2048, 2477, 4064, 4954, 8128, 9908, 16256, 19816, 32512, 39632, 65024, 79264, 130048, 158528, 260096, 314579, 317056, 629158, 634112, 1258316, 1268224, 2516632, 2536448, 5033264, 5072896, 10066528, 20133056, 40266112, 80532224, 161064448, 322128896, 644257792]

約数ペア:

[(1, 644257792), (2, 322128896), (4, 161064448), (8, 80532224), (16, 40266112), (32, 20133056), (64, 10066528), (127, 5072896), (128, 5033264), (254, 2536448), (256, 2516632), (508, 1268224), (512, 1258316), (1016, 634112), (1024, 629158), (2032, 317056), (2048, 314579), (2477, 260096), (4064, 158528), (4954, 130048), (8128, 79264), (9908, 65024), (16256, 39632), (19816, 32512)]