28938748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 27186692

約数列:

[1, 2, 4, 19, 31, 38, 62, 71, 76, 124, 142, 173, 284, 346, 589, 692, 1178, 1349, 2201, 2356, 2698, 3287, 4402, 5363, 5396, 6574, 8804, 10726, 12283, 13148, 21452, 24566, 41819, 49132, 83638, 101897, 167276, 203794, 233377, 380773, 407588, 466754, 761546, 933508, 1523092, 7234687, 14469374, 28938748]

約数ペア:

[(1, 28938748), (2, 14469374), (4, 7234687), (19, 1523092), (31, 933508), (38, 761546), (62, 466754), (71, 407588), (76, 380773), (124, 233377), (142, 203794), (173, 167276), (284, 101897), (346, 83638), (589, 49132), (692, 41819), (1178, 24566), (1349, 21452), (2201, 13148), (2356, 12283), (2698, 10726), (3287, 8804), (4402, 6574), (5363, 5396)]