256468611

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{393961}}^1$

素因数の和:394002

約数の個数: 16

約数和(自身を含む): 403417088

約数和(自身を除く): 146948477

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 393961, 1181883, 2757727, 8273181, 12212791, 36638373, 85489537, 256468611]

約数ペア:

[(1, 256468611), (3, 85489537), (7, 36638373), (21, 12212791), (31, 8273181), (93, 2757727), (217, 1181883), (651, 393961)]