81870376

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2861}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 181078740

約数和(自身を除く): 99208364

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 1022, 2044, 2861, 3577, 4088, 5722, 7154, 11444, 14308, 20027, 22888, 28616, 40054, 80108, 140189, 160216, 208853, 280378, 417706, 560756, 835412, 1121512, 1461971, 1670824, 2923942, 5847884, 10233797, 11695768, 20467594, 40935188, 81870376]

約数ペア:

[(1, 81870376), (2, 40935188), (4, 20467594), (7, 11695768), (8, 10233797), (14, 5847884), (28, 2923942), (49, 1670824), (56, 1461971), (73, 1121512), (98, 835412), (146, 560756), (196, 417706), (292, 280378), (392, 208853), (511, 160216), (584, 140189), (1022, 80108), (2044, 40054), (2861, 28616), (3577, 22888), (4088, 20027), (5722, 14308), (7154, 11444)]