28210288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1405

約数の個数: 40

約数和(自身を含む): 58389120

約数和(自身を除く): 30178832

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1307, 1349, 2614, 2698, 5228, 5396, 10456, 10792, 20912, 21584, 24833, 49666, 92797, 99332, 185594, 198664, 371188, 397328, 742376, 1484752, 1763143, 3526286, 7052572, 14105144, 28210288]

約数ペア:

[(1, 28210288), (2, 14105144), (4, 7052572), (8, 3526286), (16, 1763143), (19, 1484752), (38, 742376), (71, 397328), (76, 371188), (142, 198664), (152, 185594), (284, 99332), (304, 92797), (568, 49666), (1136, 24833), (1307, 21584), (1349, 20912), (2614, 10792), (2698, 10456), (5228, 5396)]