256880056

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{331031}}^1$

素因数の和:331134

約数の個数: 16

約数和(自身を含む): 486617040

約数和(自身を除く): 229736984

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 331031, 662062, 1324124, 2648248, 32110007, 64220014, 128440028, 256880056]

約数ペア:

[(1, 256880056), (2, 128440028), (4, 64220014), (8, 32110007), (97, 2648248), (194, 1324124), (388, 662062), (776, 331031)]