639713092

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{307}}^1\times {\mathrm{2027}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 1128070944

約数和(自身を除く): 488357852

約数列:

[1, 2, 4, 257, 307, 514, 614, 1028, 1228, 2027, 4054, 8108, 78899, 157798, 315596, 520939, 622289, 1041878, 1244578, 2083756, 2489156, 159928273, 319856546, 639713092]

約数ペア:

[(1, 639713092), (2, 319856546), (4, 159928273), (257, 2489156), (307, 2083756), (514, 1244578), (614, 1041878), (1028, 622289), (1228, 520939), (2027, 315596), (4054, 157798), (8108, 78899)]