256815078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3292501}}^1$

素因数の和:3292519

約数の個数: 16

約数和(自身を含む): 553140336

約数和(自身を除く): 296325258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 3292501, 6585002, 9877503, 19755006, 42802513, 85605026, 128407539, 256815078]

約数ペア:

[(1, 256815078), (2, 128407539), (3, 85605026), (6, 42802513), (13, 19755006), (26, 9877503), (39, 6585002), (78, 3292501)]