1215828978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2226793}}^1$

素因数の和:2226818

約数の個数: 32

約数和(自身を含む): 2992811136

約数和(自身を除く): 1776982158

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 2226793, 4453586, 6680379, 13360758, 15587551, 28948309, 31175102, 46762653, 57896618, 86844927, 93525306, 173689854, 202638163, 405276326, 607914489, 1215828978]

約数ペア:

[(1, 1215828978), (2, 607914489), (3, 405276326), (6, 202638163), (7, 173689854), (13, 93525306), (14, 86844927), (21, 57896618), (26, 46762653), (39, 31175102), (42, 28948309), (78, 15587551), (91, 13360758), (182, 6680379), (273, 4453586), (546, 2226793)]